The following is a list of entomologists, people who have studied insects.
| Name | Born | Died | Country | Speciality |
|---|---|---|---|---|
| Lajos Abafi | 1840 | 1909 | Hungary | Lepidoptera |
| John Abbot | 1751 | 1840 | United States | |
| Camillo Acqua | 1863 | 1936 | Italy | Sericulture |
| Tusnamitsu Adachi | 1901 | 1981 | Japan | Coleoptera |
| Louis Agassiz | 1807 | 1873 | Switzerland / United States | Coleoptera |
| Ulisse Aldrovandi | 1522 | 1605 | Italy | |
| Vincent Allard | 1921 | 1994 | Belgium | Coleoptera Cetoniinae |
| Charles Paul Alexander | 1889 | 1981 | United States | Diptera |
| Wilfred Backhouse Alexander | 1885 | 1965 | United Kingdom | |
| Anastase Alfieri | 1892 | 1971 | Italy | Coleoptera |
| E. B. Alo | Nigeria | |||
| Carlo Alonza | 1881 | 1961 | Italy | Coleoptera |
| William de Alwis | 1842 | 1916 | Sri Lanka | Lepidoptera |
| Charles Jean-Baptiste Amyot | 1799 | 1866 | France | Hemiptera |
| Alfredo Andreini | 1870 | 1943 | Italy | |
| Ross H. Arnett, Jr. | 1919 | 1999 | United States | Coleoptera |
| Johan Emil Aro | 1874 | 1928 | Finland | Ephemeroptera |
| Gilbert John Arrow | 1873 | 1948 | United Kingdom | Coleoptera |
| William Harris Ashmead | 1855 | 1905 | United States | Hymenoptera |
| E. C. M. d'Assis-Fonseca | United Kingdom | Diptera | ||
| Edwin Felix Thomas Atkinson | 1840 | 1890 | Ireland | Hemiptera |
| William Stephen Atkinson | 1820 | 1876 | India | Lepidoptera |
| Charles Nicholas Aubé | 1802 | 1869 | France | Coleoptera |
| Jean Guillaume Audinet-Serville | 1775 | 1858 | France | Orthoptera |
| Jean Victoire Audouin | 1797 | 1841 | France | |
| Per Olof Christopher Aurivillius | 1843 | 1928 | Sweden | Coleoptera, Lepidoptera |
| Ernest Edward Austen | 1867 | 1938 | United Kingdom | Diptera, Hymenoptera. |
| Andrey Avinoff | 1884 | 1949 | Ukraine / United States | Lepidoptera |
| Alfred Balachowsky | 1901 | 1983 | Russia / France | Hemiptera, Coleoptera |
| Mary Ball | 1812 | 1892 | Ireland | Odonata, Hemiptera |
| Joseph Sugar Baly | 1816 | 1890 | United Kingdom | Coleoptera |
| John Banister (naturalist) | 1650 | 1692 | United Kingdom | |
| Nathan Banks | 1868 | 1953 | United States | Neuroptera, Megaloptera, Hymenoptera |
| Philip James Barraud | 1879 | 1948 | United Kingdom | Diptera |
| Eugène Barthe | 1862 | 1945 | France | Coleoptera |
| Agostino Bassi | 1773 | 1856 | Italy | |
| Henry Walter Bates | 1825 | 1892 | United Kingdom | |
| Marston Bates | 1906 | 1974 | United States | Diptera |
| Palisot de Beauvois | 1752 | 1820 | France | |
| Eduard Becher | 1856 | 1886 | Austria | Diptera |
| Theodor Becker | 1840 | 1928 | Germany | Diptera |
| Hans Hermann Behr | 1818 | 1904 | Germany / United States | Lepidoptera |
| Bryan Patrick Beirne | 1918 | 1998 | Ireland | Lepidoptera, Hymenoptera |
| Luigi Bellardi | 1859 | 1889 | Italy | Diptera |
| Joseph Charles Bequaert | 1886 | 1982 | Belgium | Diptera |
| May Berenbaum | United States | |||
| Julius von Bergenstamm | 1837 | 1896 | Austria | Diptera |
| Georges Bernardi | 1922 | 1999 | France | Lepidoptera, Pieridae |
| Mario Bezzi | 1868 | 1927 | Italy | Diptera |
| Czesław Bieżanko | 1895 | 1985 | Poland | Lepidoptera |
| George Carter Bignell | 1826 | 1910 | United Kingdom | Lepidoptera and Hymenoptera (mainly Ichneumonidae) |
| Jacques-Marie-Frangile Bigot | 1818 | 1893 | France | Diptera |
| Gustaf Johan Billberg | 1772 | 1844 | Sweden | |
| Charles Thomas Bingham | 1848 | 1908 | Ireland | Hymenoptera |
| Thomas Blackburn | 1844 | 1912 | United Kingdom / Hawaii / Australia | Coleoptera |
| Richard E. Blackwelder | 1909 | 2001 | United States | |
| Émile Blanchard | 1819 | 1900 | France | |
| Murray S. Blum | 1929 | United States | Formicidae | |
| Carl Henrik Boheman | 1796 | 1868 | Sweden | Coleoptera |
| Jean Baptiste Boisduval | 1799 | 1879 | France | Lepidoptera |
| Willis Blatchley | 1859 | 1940 | United States | Coleoptera, Ortoptera, Hemiptera |
| Ignacio Bolívar | 1850 | 1944 | Spain | |
| Cándido Bolívar Pieltain | 1897 | 1976 | Spain | Lepidoptera |
| Ernst Boll | 1817 | 1868 | Germany | Lepidoptera |
| Barry Bolton | United Kingdom | Formicidae | ||
| Franco Andrea Bonelli | 1784 | 1830 | Italy | Coleoptera |
| Charles Bonnet | 1720 | 1793 | Switzerland | |
| George Bornemissza | 1924 | Australia | Coleoptera | |
| Carl Julius Bernhard Börner | 1880 | 1953 | Germany | Collembola |
| Nérée Boubée | 1806 | 1863 | France | Lepidoptera, Coleoptera |
| Jean Bourgogne | 1903 | 1999 | France | Lepidoptera, Psychidae |
| Arthur I. Bourne | 1886 | 1961 | United States | Agricultural pests |
| Eugène Louis Bouvier | 1856 | 1944 | France | |
| James Henry Bowker | 1822 | 1900 | South Africa | Lepidopters |
| Nikolaus Joseph Brahm | 1751 | 1812 | Germany | |
| Karel Brančik | 1842 | 1915 | Hungary | Coleoptera |
| Rick Brandenburg | 1955 | United States | ||
| Friedrich Moritz Brauer | 1832 | 1904 | Austria | Diptera, Neuroptera |
| Ferdinando Arborio Gattinara di Breme | 1807 | 1869 | Italy | Diptera, Coleoptera |
| Otto Vasilievich Bremer | 1873 | Russia | ||
| Stephan von Breuning | 1894 | 1983 | Germany | Coleoptera Cerambycidae Lamiinae |
| Carl Gustav Alexander Brischke | 1814 | 1897 | Poland | Diptera, Hymenoptera |
| Georges Brossard | 1940 | Canada | ||
| Emil von Brück | 1807 | 1884 | Germany | Coleoptera |
| Enrico Adelelmo Brunetti | 1862 | 1927 | United Kingdom | Diptera |
| William Buckler | 1814 | 1884 | United Kingdom | Lepidoptera |
| Jean Baptiste Lucien Buquet | 1807 | 1889 | France | Coleoptera |
| Hermann Burmeister | 1807 | 1892 | Germany | |
| John Burns (entomologist) | United States | Lepidoptera | ||
| Raymond C. Bushland | 1910 | 1995 | United States | Economic entomology |
| Arthur Gardiner Butler | 1844 | 1925 | United Kingdom | |
| Kurt Büttner | 1881 | 1967 | Germany | Heteroptera |
| Elsa Salazar Cade | United States | |||
| Philip Powell Calvert | 1871 | 1961 | United States | Odonata |
| Giulio Camus | 1847 | 1914 | France | Economic History of Entomology |
| Ernest Candèze | 1827 | 1898 | Belgium | Coleoptera |
| Silvano Canzoneri | 1941 | 1995 | Italy | Coleoptera, Diptera |
| Pierre Capdeville | 1908 | 1980 | France | Lepidoptera Parnassiinae |
| Frank M. Carpenter | 1902 | 1994 | United States | |
| Herbert James Carter | 1858 | 1940 | Australia | |
| Thomas Lincoln Casey, Jr. | 1857 | 1925 | United States | Coleoptera |
| Guelfo Cavanna | 1850 | 1920 | Italy | All orders |
| George Charles Champion | 1851 | 1927 | United Kingdom | Coleoptera |
| Toussaint de Charpentier | 1779 | 1847 | Germany | |
| Jean-Baptiste Eugène Bellier de la Chavignerie | 1844 | 1888 | France | Lepidoptera |
| Lucy Evelyn Cheesman | 1881 | 1969 | United Kingdom | |
| Louis Alexandre Auguste Chevrolat | 1799 | 1884 | France | Coleoptera |
| Samuel Rickard Christophers | 1873 | 1978 | United Kingdom | Diptera |
| Joseph Philippe de Clairville | 1742 | 1830 | Switzerland | |
| Benjamin Preston Clark | 1860 | 1939 | United States | Lepidoptera |
| Cyril Clarke | 1907 | 2000 | United Kingdom | Lepidoptera |
| Eric William Classey | 1916 | 2008 | United Kingdom | Lepidoptera. Entomological publisher. |
| James Brackenridge Clemens | 1825 | 1867 | United States | Lepidoptera |
| Carl Alexander Clerck | 1709 | 1765 | Sweden | Lepidoptera |
| Harry Kendon Clench | 1925 | 1979 | United States | Lepidoptera |
| Theodore Dru Alison Cockerell | 1866 | 1948 | United States | Hymenoptera |
| James Edward Collin | 1876 | 1968 | United Kingdom | Diptera |
| John Henry Comstock | 1849 | 1931 | United States | |
| Daniel William Coquillett | 1856 | 1911 | United States | Diptera |
| Matthew Cooke | 1829 | 1887 | Ireland | Economic entomology |
| Charles Coquerel | 1822 | 1867 | France | |
| Luis Ceballos y Fernández de Córdoba | 1896 | 1967 | Spain | Forest entomology, Ichneumonidae |
| Emilio Cornalia | 1824 | 1882 | Italy | |
| Achille Costa | 1823 | 1899 | Italy | |
| Oronzio Gabriele Costa | 1787 | 1867 | Italy | |
| George Crabbe | 1754 | 1832 | United Kingdom | Coleoptera |
| Pieter Cramer | 1738 | 1804 | Netherlands | |
| William Monad Crawford | 1872 | 1941 | Ireland | Lepidoptera |
| Henry Harpur Crewe | 1828 | 1883 | United Kingdom | Lepidoptera |
| George Robert Crotch | 1842 | 1874 | United States / United Kingdom | Coleoptera |
| Philip Crowley | 1837 | 1900 | England | Lepidoptera |
| Roy Crowson | 1914 | 1999 | United Kingdom | Coleoptera |
| Charles Howard Curran | 1894 | 1972 | United States | Diptera |
| John Curtis (entomologist) | 1791 | 1862 | United Kingdom | Coleoptera |
| Stanisław Zbigniew Czachorowski | 1963 | Poland | Trichoptera | |
| Leander Czerny | 1859 | 1944 | Czech Republic | Diptera |
| Anders Gustaf Dahlbom | 1806 | 1859 | Sweden | Hymenoptera |
| James Charles Dale | 1792 | 1872 | United Kingdom | Coleoptera |
| Johan Wilhelm Dalman | 1787 | 1828 | Sweden | |
| Franz Dannehl | 1870 | 1947 | Germany | Lepidoptera |
| Louis Gabriel d'Antessanty | 1834 | 1922 | France | Hemiptera |
| Charles Darwin | 1809 | 1882 | United Kingdom | |
| Thomas Reid Davys Bell | 1863 | 1948 | Ireland | Lepidoptera |
| Charles De Geer | 1720 | 1778 | Sweden | Coleoptera |
| Wilhem de Haan | 1801 | 1855 | Netherlands | |
| José María Hugo de la Fuente Morales | 1855 | 1932 | Spain | |
| Francis de Laporte de Castelnau | 1810 | 1880 | France | Coleoptera |
| Pierre François Marie Auguste Dejean | 1780 | 1845 | France | Coleoptera |
| Georges Demoulin | 1919 | 1994 | Belgium | Ephemeroptera |
| Robert Denno | 1945 | 2008 | United States | Lepidoptera |
| Michael Denis | 1729 | 1800 | Austria | Lepidoptera |
| Thomas Desvignes | 1812 | 1868 | England | Hymenoptera |
| Vincent Dethier | 1915 | 1993 | United States | |
| Achille Deyrolle | 1813 | 1865 | France | Coleoptera |
| Harry Frederick Dietz | 1890 | 1954 | United States | Economic entomology |
| William Lucas Distant | 1845 | 1922 | United Kingdom | |
| Frederick Augustus Dixey | 1855 | 1935 | United Kingdom | Lepidoptera |
| Theodosius Dobzhansky | 1900 | 1975 | Ukraine / United States | |
| Paul Dognin | 1847 | 1931 | France | Lepidoptera |
| William Doherty | 1857 | 1901 | United States | Lepidoptera |
| Carl August Dohrn | 1806 | 1892 | Germany | Coleoptera |
| Horace Donisthorpe | 1870 | 1951 | United Kingdom | Coleoptera, Formicidae |
| Charles Donovan | 1863 | 1951 | Ireland | Lepidoptera |
| Edward Donovan | 1768 | 1837 | Ireland | |
| Alcide d'Orbigny | 1802 | 1857 | France | |
| Edward Doubleday | 1810 | 1849 | United Kingdom | Lepidoptera |
| Henry Doubleday | 1808 | 1875 | United Kingdom | Lepidoptera |
| John William Douglas | 1814 | 1905 | United Kingdom | Lepidoptera |
| Herbert Druce | 1846 | 1880 | United Kingdom | Lepidoptera |
| Dru Drury | 1725 | 1804 | United Kingdom | |
| Catherine N. Duckett | 1961 | United States | Coleoptera | |
| Oswald Duda | 1869 | 1941 | Germany | Diptera |
| Léon Jean Marie Dufour | 1780 | 1865 | France | |
| Caspar Erasmus Duftschmid | 1767 | 1821 | Austria | Coleoptera |
| Lionel Jack Dumbleton | 1905 | 1976 | New Zealand | Lepidoptera |
| André Marie Constant Duméril | 1774 | 1860 | France | Coleoptera |
| Philogène Auguste Joseph Duponchel | 1774 | 1846 | France | Lepidoptera |
| Jan Dzierżon | 1811 | 1906 | Poland | Hymenoptera |
| Alfred Edwin Eaton | 1845 | 1929 | United Kingdom | Diptera, Ephemeroptera |
| Karl Eckstein | 1859 | 1939 | Germany | Lepidoptera |
| Frederick Wallace Edwards | 1888 | 1940 | United Kingdom | Diptera |
| Henry Edwards | 1827 | 1891 | United Kingdom / United States | Lepidoptera |
| J. Gordon Edwards | 1919 | 2004 | United States | |
| William Henry Edwards | 1822 | 1909 | United States | Lepidoptera |
| Georg Dionysius Ehret | 1708 | 1770 | Germany | |
| Paul R. Ehrlich | 1932 | United States | Lepidoptera | |
| Curt Eisner | 1890 | 1981 | Germany | Lepidoptera |
| Henry John Elwes | 1846 | 1922 | United Kingdom | Lepidoptera |
| Günther Enderlein | 1872 | 1968 | Germany | Diptera |
| Michael S. Engel | 1971 | United States | Zoraptera, Hymenoptera, fossils | |
| Wilhelm Ferdinand Erichson | 1809 | 1848 | Germany | Coleoptera |
| Johann Friedrich von Eschscholtz | 1793 | 1831 | Estonia | |
| Eugenius Johann Christoph Esper | 1742 | 1810 | Germany | |
| Howard Ensign Evans | 1919 | 2002 | United States | Hymenoptera |
| W. H. Evans | 1956 | United Kingdom | Lepidoptera | |
| William Frederick Evans | United Kingdom | Odonata, Orthoptera | ||
| Eduard Friedrich Eversmann | 1794 | 1860 | Germany | |
| Jean Henri Fabre | 1823 | 1915 | France | |
| Johan Christian Fabricius | 1745 | 1808 | Denmark | |
| Olof Immanuel von Fåhraeus | 1796 | 1884 | Sweden | Coleoptera |
| Graham Fairchild | 1906 | 1994 | United States | Diptera |
| Léon Fairmaire | 1820 | 1906 | France | Coleoptera |
| Carl Fredrik Fallén | 1764 | 1830 | Sweden | Diptera |
| Baron Cajetan von Felder | 1814 | 1894 | Austria | Lepidoptera |
| Rudolf Felder | 1842 | 1871 | Austria | Lepidoptera |
| Ephraim Porter Felt | 1868 | 1943 | United States | Diptera |
| Ferdinand I of Bulgaria | 1861 | 1948 | Bulgaria | Lepidoptera |
| Charles Henry Fernald | 1838 | 1921 | United States | Lepidoptera |
| Henry T. Fernald | 1866 | 1952 | United States | Economic entomology, Hymenoptera |
| Michael Lloyd Ferrar | 1876 | 1931 | United Kingdom | Lepidoptera |
| Pietro Mansueto Ferrari | 1823 | 1893 | Italy | Hemiptera |
| Leopold Heinrich Fischer | 1817 | 1886 | Germany | |
| Asa Fitch | 1809 | 1879 | United States | |
| Ernst Josef Fittkau | 1927 | Germany | Diptera | |
| John Fleming (naturalist) | 1785 | 1857 | United Kingdom | |
| James Fletcher | 1852 | 1908 | Canada | |
| Thomas Bainbrigge Fletcher | 1878 | 1950 | United Kingdom | |
| E. B. Ford | 1901 | 1988 | United Kingdom | Lepidoptera |
| Auguste-Henri Forel | 1848 | 1931 | Switzerland | Formicidae |
| Arnold Förster | 1810 | 1884 | Germany | Coleoptera, Hymenoptera |
| Johann Reinhold Forster | 1729 | 1798 | Germany | |
| Margaret Fountaine | 1862 | 1940 | United Kingdom | Lepidoptera |
| Antoine François, comte de Fourcroy | 1755 | 1809 | France | |
| William Weekes Fowler | 1849 | 1923 | United Kingdom | Coleoptera |
| Georg Ritter von Frauenfeld | 1807 | 1873 | Austria | Diptera |
| Charles French (entomologist) | 1842 | 1933 | Australia | Economic entomology |
| Heinrich Frey | 1822 | 1890 | Switzerland | Lepidoptera |
| Christian Friedrich Freyer | 1794 | 1885 | Germany | Lepidoptera |
| Karl von Frisch | 1886 | 1982 | Austria | Hymenoptera (honey bees) |
| Imre Frivaldszky | 1799 | 1870 | Hungary | Lepidoptera, Coleoptera |
| Walter Wilson Froggatt | 1858 | 1937 | Australia | Economic entomology |
| Frederick William Frohawk | 1861 | 1946 | United Kingdom | Lepidoptera |
| Stuart W. Frost | 1891 | 1990 | United States | Diptera |
| Hans Fruhstorfer | 1866 | 1922 | Germany | Lepidoptera |
| José María Hugo de la Fuente Morales | 1855 | 1932 | Spain | Coleoptera |
| Johann Kaspar Füssli | 1743 | 1786 | Switzerland | |
| Charles Joseph Gahan | 1862 | 1939 | United Kingdom / Ireland | Coleoptera |
| Burton Noble Gates | 1881 | 1972 | United States / Canada | Apiculture, Hymenoptera |
| Giuseppe Géné | 1800 | 1847 | Italy | |
| Étienne Louis Geoffroy | 1725 | 1810 | France | Coleoptera |
| Ernst Friedrich Germar | 1786 | 1853 | Germany | Coleoptera |
| Carl Eduard Adolph Gerstaecker | 1828 | 1895 | Germany | |
| Paul Gervais | 1816 | 1879 | France | |
| Michael Thomas Gillies | 1920 | 1999 | United Kingdom | Medical entomology |
| Joseph-Étienne Giraud | 1808 | 1877 | France | Coleoptera, Hymenoptera |
| Johannes von Nepomuk Franz Xaver Gistel | 1809 | 1873 | Germany | |
| Eleanor Glanville | 1654 | 1709 | United Kingdom | Coleoptera |
| Jean Baptiste Godart | 1775 | 1825 | France | Lepidoptera |
| Frederick DuCane Godman | 1834 | 1919 | United Kingdom | Lepidoptera |
| Jan Goedart | 1620 | 1668 | Netherlands | |
| Maurice Emile Marie Goetghebuer | 1876 | 1962 | Belgium | Diptera |
| Deborah M. Gordon | 1955 | United States | Formicidae | |
| Hippolyte Louis Gory | 1800 | 1852 | France | Coleoptera |
| William Gould | 1715 | United Kingdom | Formicidae | |
| Claude Charles Goureau | 1790 | 1879 | France | |
| Mariano de la Paz Graëlls y de la Aguera | 1809 | 1898 | Spain | |
| Johann Ludwig Christian Gravenhorst | 1777 | 1857 | Germany | |
| Philip Graves | 1876 | 1953 | Ireland | Lepidoptera |
| George Robert Gray | 1808 | 1872 | United Kingdom | |
| Viktor Grebennikov | 1927 | 2001 | Russia | |
| Auguste Jean François Grenier | 1814 | 1890 | France | Coleoptera |
| Thomas de Grey, 6th Baron Walsingham | 1843 | 1919 | United Kingdom | Lepidoptera |
| David Grimaldi | 1957 | United States | Diptera | |
| Augustus Radcliffe Grote | 1841 | 1903 | United Kingdom | Lepidoptera |
| Grigory Grumm-Grzhimaylo | 1860 | 1936 | Russia | Lepidoptera |
| Achille Guenée | 1809 | 1880 | France | Lepidoptera |
| Félix Édouard Guérin-Méneville | 1799 | 1874 | France | |
| Guido of Pisa | 1169 | Italy | ||
| Leonard Gyllenhaal | 1752 | 1840 | Sweden | Coleoptera |
| Hermann August Hagen | 1817 | 1893 | Germany | Neuroptera, Odonata |
| James Nathaniel Halbert | 1871 | 1948 | Ireland | |
| Alexander Henry Haliday | 1807 | 1870 | Ireland | Coleoptera, Diptera |
| George Hampson | 1860 | 1936 | United Kingdom | Lepidoptera |
| D. Elmo Hardy | 1914 | 2002 | United States | Diptera |
| Moses Harris | 1731 | 1785 | United Kingdom | |
| Thaddeus William Harris | 1795 | 1856 | United States | |
| Michael Hassell | United Kingdom | |||
| Hermann Haupt | 1873 | 1959 | Germany | Hymenoptera |
| Adrian Hardy Haworth | 1767 | 1833 | United Kingdom | |
| John Heath (entomologist) | United Kingdom | |||
| Carl Heinrich | 1880 | 1955 | United States | Lepidoptera |
| Johann Christian Ludwig Hellwig | 1743 | 1831 | Germany | |
| Friedrich Georg Hendel | 1874 | 1936 | Austria | Diptera |
| Willi Hennig | 1913 | 1976 | Germany | Diptera |
| Johann Friedrich Wilhelm Herbst | 1743 | 1807 | Germany | Coleoptera |
| Claude Herbulot | 1908 | 2006 | France | Lepidoptera Geometridae |
| Hans Rudolf Herren | 1947 | Switzerland | Economic entomology | |
| Gottlieb August Wilhelm Herrich-Schäffer | 1799 | 1874 | Germany | |
| William Chapman Hewitson | 1806 | 1878 | United Kingdom | Coleoptera, Lepidoptera |
| H. E. Hinton | 1912 | 1977 | United Kingdom | Coleoptera |
| Jacob Hoefnagel | 1575 | 1630 | Netherlands | |
| Johann Centurius Hoffmannsegg | 1766 | 1849 | Germany | |
| William Jacob Holland | 1848 | 1932 | United States | Lepidoptera |
| Bert Hölldobler | 1936 | Germany | Formicidae | |
| August Emil Holmgren | 1829 | 1888 | Sweden | Hymenoptera |
| Frederick William Hope | 1797 | 1862 | United Kingdom | Coleoptera |
| George Henry Horn | 1840 | 1897 | United States | Coleoptera |
| Leland Ossian Howard | 1857 | 1950 | United States | Economic entomology |
| Jacob Hübner | 1761 | 1826 | Germany | Lepidoptera |
| George Vernon Hudson | 1867 | 1946 | New Zealand | |
| Johann Siegfried Hufnagel | 1724 | 1795 | Germany | Lepidoptera |
| Alphonse Hustache | 1872 | 1942 | France | Coleoptera, Curculionidae |
| Johann Karl Wilhelm Illiger | 1775 | 1813 | Germany | Coleoptera |
| Augustus Daniel Imms | 1880 | 1949 | United Kingdom | |
| Carl Gustav Jablonsky | 1756 | 1787 | Germany | Coleoptera |
| Jean-Charles Jacobs | 1821 | 1907 | Belgium | Diptera, Hymenoptera |
| Georgij Georgiewitsch Jacobson | 1871 | 1926 | Russia | |
| Tadeusz Jaczewski | 1899 | 1974 | Russia | Hemiptera |
| René Jeannel | 1879 | 1965 | France | Coleoptera |
| Anders Christian Jensen-Haarup | 1863 | 1934 | Denmark | Hymenoptera |
| Thomas C. Jerdon | 1811 | 1872 | United Kingdom | Formicidae |
| William Frederick Johnson | 1852 | 1934 | Ireland | |
| James John Joicey | 1871 | 1932 | United Kingdom | Lepidoptera |
| Karl Jordan | 1861 | 1959 | Germany | Siphonaptera, Coleoptera, Lepidoptera |
| Norman H. Joy | 1874 | 1953 | United Kingdom | Coleoptera |
| Louis Jurine | 1751 | 1819 | Switzerland | Coleoptera, Diptera |
| Vlasta Kálalová | 1896 | 1971 | Czech Republic | |
| Johann Heinrich Kaltenbach | 1807 | 1876 | Germany | Economic entomology |
| William Francis de Vismes Kane | 1840 | 1918 | Ireland | Lepidoptera |
| David Keilin | 1887 | 1963 | United Kingdom | |
| Kálmán Kertész | 1867 | 1922 | Hungary | Diptera |
| Bernard Kettlewell | 1907 | 1979 | United Kingdom | Lepidoptera |
| Jean-Jacques Kieffer | 1857 | 1925 | France | Diptera, Hymenoptera |
| Ernest August Hellmuth von Kiesenwetter | 1820 | 1880 | Germany | Coleoptera |
| Alfred Kinsey | 1894 | 1956 | United States | Hymenoptera |
| William Kirby (entomologist) | 1759 | 1850 | United Kingdom | |
| William Forsell Kirby | 1844 | 1912 | United Kingdom / Ireland | Lepidoptera |
| Ruud Kleinpaste | 1952 | Netherlands / New Zealand | ||
| Johann Christoph Friedrich Klug | 1775 | 1856 | Germany | Lepidoptera |
| Edward F. Knipling | 1909 | 2000 | United States | Economic entomology |
| Carl Ludwig Koch | 1778 | 1857 | Germany | |
| Vincenz Kollar | 1797 | 1860 | Germany | Diptera |
| Friedrich Wilhelm Konow | 1842 | 1908 | Germany | Hymenoptera Tenthredinidae |
| Ferdinand Kowarz | 1838 | 1914 | Austria | Diptera |
| Ernst Gustav Kraatz | 1831 | 1909 | Germany | Coleoptera |
| Otto Kröber | 1882 | 1969 | Germany | Diptera |
| Johann Gottlieb Kugelann | 1753 | 1815 | Germany | Coleoptera |
| Nikolai Jakovlevice Kusnezov | 1873 | 1948 | Russia | Lepidoptera |
| Joseph Alexandre Laboulbène | 1825 | 1898 | France | |
| Jean Théodore Lacordaire | 1801 | 1870 | Belgium | Coleoptera |
| Jean-Pierre Lacroix | 1938 | 1989 | France | Coleoptera Lucanidae |
| Johann Nepomuk von Laicharting | 1754 | 1797 | Austria | Coleoptera |
| Eric Laithwaite | 1921 | 1997 | United Kingdom | Lepidoptera |
| Sven Lampa | 1839 | 1914 | Sweden | Lepidoptera |
| Pierre André Latreille | 1762 | 1833 | France | |
| John Eatton Le Conte | 1784 | 1860 | United States | |
| William Elford Leach | 1790 | 1836 | United Kingdom | |
| John Lawrence LeConte | 1825 | 1883 | United States | Coleoptera |
| Julius Lederer (entomologist) | 1821 | 1870 | Austria | Lepidoptera |
| Alexandre Louis Lefèbvre de Cérisy | 1798 | 1867 | France | |
| Claude Lemaire | 1921 | 2004 | France | Lepidoptera Saturniidae |
| Amédée Louis Michel Lepeletier de Saint-Fargeau | 1780 | 1845 | France | Hymenoptera |
| Erwin Lindner | 1888 | 1988 | Germany | Diptera |
| Carl Linnaeus | 1707 | 1778 | Sweden | |
| Melchior de Lisle | 1908 | 1977 | France | Coleoptera Lucanidae |
| Hermann Loew | 1807 | 1879 | Germany | Diptera |
| Cynthia Longfield | 1896 | 1991 | Ireland | Odonata |
| Hippolyte Lucas | 1814 | 1899 | France | |
| William Lundbeck | 1863 | 1941 | Denmark | Diptera |
| Adolfo Lutz | 1855 | 1940 | Brazil | Medical entomology |
| Robert Mac Lachlan | 1837 | 1904 | United Kingdom | Neuroptera |
| Alexander Macleay | 1767 | 1848 | United Kingdom | |
| William Sharp Macleay | 1792 | 1865 | United Kingdom | |
| Justin Pierre Marie Macquart | 1776 | 1855 | France | Diptera |
| Michael Majerus | 1954 | United Kingdom | Lepidoptera | |
| René Malaise | 1892 | 1978 | Sweden | |
| John Russell Malloch | 1875 | 1963 | United Kingdom | Diptera |
| Mahadeva Subramania Mani | 1908 | 2003 | India | |
| Josef Johann Mann | 1804 | 1889 | Czech Republic | Lepidoptera |
| Carl Gustaf von Mannerheim | 1797 | 1854 | Finland | Coleoptera |
| Patrick Manson | 1844 | 1922 | Scotland | Medical entomology |
| Oldřich Marek | 1911 | 1986 | Czech Republic | Coleoptera |
| Charles Lester Marlatt | 1863 | 1954 | United States | Economic entomology |
| Sylvain Auguste de Marseul | 1812 | 1890 | France | Coleoptera |
| George Frederick Leycester Marshall | 1843 | 1934 | United Kingdom | Lepidoptera |
| Thomas Ansell Marshall | 1827 | 1903 | United Kingdom | Hymenoptera |
| Thomas Marsham | 1819 | United Kingdom | Coleoptera | |
| Fermín Martín Piera | 1954 | 2001 | Spain | Coleoptera |
| Andrey Vasilyevich Martynov | 1879 | 1938 | Russia | Trichoptera |
| William Miles Maskell | 1839 | 1898 | New Zealand | |
| Wayne Masterson | 1959 | 1991 | United Kingdom | Medical entomology |
| Shonen Matsumura | 1872 | 1960 | Japan | |
| Harold Maxwell-Lefroy | 1877 | 1926 | United Kingdom | |
| Henry Christopher McCook | 1837 | 1911 | United States | Formicidae |
| Albert Stewart Meek | 1871 | 1943 | United Kingdom | |
| Jean Pierre Mégnin | 1828 | 1905 | France | Forensic entomology |
| Johann Wilhelm Meigen | 1764 | 1845 | Germany | Diptera |
| Axel Leonard Melander | 1878 | 1962 | United States | Diptera, Hymenoptera |
| Frederick Valentine Melsheimer | 1749 | 1814 | United States | Coleoptera |
| Ernest Menault | 1830 | 1903 | France | Agricultural pests |
| Édouard Ménétries | 1802 | 1861 | France / Russia | Lepidoptera, Coleoptera |
| Maria Sibylla Merian | 1647 | 1717 | Germany | |
| Gustav Mayr | 1830 | 1908 | Austria | Hymenoptera |
| Edward Meyrick | 1854 | 1938 | United Kingdom | Lepidoptera |
| Charles Duncan Michener | 1918 | United States | Hymenoptera | |
| Josef Mik | 1839 | 1900 | Czech Republic | Diptera |
| Pierre Millière | 1811 | 1887 | France | Lepidoptera |
| Adolphe Philippe Millot | 1857 | 1921 | France | Lepidoptera |
| Adolph Modéer | 1738 | 1799 | Sweden | |
| Frederic Moore | 1830 | 1907 | United Kingdom | Lepidoptera |
| Clodoveo Carrión Mora | 1883 | 1957 | Ecuador | |
| Claude Morley | 1874 | 1951 | United Kingdom | Hymenoptera |
| Derek Wragge Morley | 1920 | 1969 | United Kingdom | Formicidae |
| Roger Morse | 1927 | 2000 | United States | Hymenoptera |
| Kenneth Morton | United Kingdom | Odonata, Neuroptera | ||
| Victor Motschulsky | 1810 | 1871 | Russia | Coleoptera |
| Thomas Muffet | 1552 | 1604 | United Kingdom | |
| Johann Carl Megerle von Mühlfeld | 1765 | 1840 | Austria | Coleoptera |
| Otto Friedrich Müller | 1730 | 1784 | Denmark | |
| Étienne Mulsant | 1797 | 1880 | France | |
| Vladimir Nabokov | 1899 | 1977 | Russia / United States | Lepidoptera |
| Longinos Navás | 1858 | 1938 | Spain | Neuropteroidea |
| Christian Gottfried Daniel Nees von Esenbeck | 1776 | 1858 | Germany | |
| Nikolaus Poda von Neuhaus | 1723 | 1798 | Austria | |
| Edward Newman | 1801 | 1876 | United Kingdom | |
| L. Hugh Newman | United Kingdom | Lepidoptera | ||
| George Newport | 1803 | 1854 | United Kingdom | |
| Lionel de Nicéville | 1852 | 1901 | United Kingdom | Lepidoptera |
| Ebbe Schmidt Nielsen | 1950 | 2001 | Denmark | |
| John Nietner | 1874 | Germany | Coleoptera | |
| Guido Nonveiller | 1913 | 2002 | Croatia | Coleoptera |
| Kenneth Richard Norris | 1914 | 2003 | Australia | |
| Charles Oberthür | 1845 | 1924 | France | Lepidoptera |
| Georg Hermann Alexander Ochs | 1887 | 1971 | Germany | Coleoptera |
| Ferdinand Ochsenheimer | 1767 | 1822 | Germany | Lepidoptera |
| Thomas R. Odhiambo | 1931 | 2003 | Kenya | Medical entomology |
| Lawrence Ogilvie | 1898 | 1980 | Bermuda & United Kingdom | Insects of Bermuda |
| Harold Oldroyd | 1914 | 1978 | United Kingdom | Diptera |
| Guillaume-Antoine Olivier | 1756 | 1814 | France | |
| Eugene O'Mahoney | 1899 | 1951 | Ireland | Coleoptera, Mallophaga, Siphonaptera |
| Paul W. Oman | 1908 | United States | Hemiptera | |
| Eleanor Anne Ormerod | 1828 | 1901 | United Kingdom | |
| Karl Robert Osten-Sacken | 1828 | 1906 | Russia | Diptera |
| Alpheus Spring Packard | 1839 | 1905 | United States | |
| Louis Pandellé | 1824 | 1905 | France | Coleoptera |
| Georg Wolfgang Franz Panzer | 1755 | 1829 | Germany | Coleoptera |
| Francis Polkinghorne Pascoe | 1813 | 1893 | United Kingdom | Coleoptera |
| Carlo Passerini | 1793 | 1857 | Italy | Coleoptera |
| Giovanni Passerini | 1816 | 1893 | Italy | Hemiptera |
| Gustaf von Paykull | 1757 | 1826 | Sweden | Coleoptera |
| Titian Peale | 1799 | 1885 | United States | Lepidoptera |
| William Dandridge Peck | 1763 | 1822 | United States | |
| Edward Pelham-Clinton, 10th Duke of Newcastle-under-Lyne | 1920 | 1988 | United Kingdom | Lepidoptera |
| Achille Rémy Percheron | 1797 | 1869 | France | |
| Alexander Petrunkevitch | 1875 | 1964 | Russia | |
| Maurice Pic | 1866 | 1957 | France | Coleoptera, Cerambycide |
| François Jules Pictet de la Rive | 1809 | 1872 | Switzerland | |
| Elliot Pinhey | 1910 | 2000 | United Kingdom | Lepidoptera, Odonata |
| Odorado Pirazzoli | 1815 | 1884 | Italy | Coleoptera |
| George Poinar, Jr. | United States | |||
| Robert Michael Pyle | 1947 | United States | Lepidoptera | |
| Oktawiusz Bourmeister-Radoszkowski | 1820 | 1895 | Russia | Hymenoptera |
| Constantine Samuel Rafinesque | 1783 | 1840 | France | |
| Jules Pierre Rambur | 1801 | 1870 | France | |
| Maynard Jack Ramsay | 1914 | 2005 | United States | Economic entomology |
| Alex Rasnitsyn | Russia | Palaeoentomology | ||
| Julius Theodor Christian Ratzeburg | 1801 | 1871 | Germany | |
| Pierre Réal | 1922 | 2009 | France | Lepidoptera, Morphidae, Pieridae, Tortricidae |
| René Antoine Ferchault de Réaumur | 1683 | 1757 | France | |
| Hans Rebel | 1881 | 1940 | Austria | Lepidoptera |
| Ludwig Redtenbacher | 1814 | 1876 | Austria | Coleoptera |
| Louis Jérôme Reiche | 1799 | 1890 | Netherlands / France | Coleoptera |
| George Morrison Reid Henry | 1891 | 1983 | Sri Lanka | Orthoptera |
| Edmund Reitter | 1845 | 1920 | Germany | Coleoptera |
| James Rennie | 1787 | 1867 | Scotland | General entomology, Lepidoptera |
| Anders Jahan Retzius | 1742 | 1821 | Sweden | |
| Enzio Rafael Reuter | 1867 | 1951 | Finland | Lepidoptera |
| Max Paul Riedel | 1870 | 1941 | Germany | Diptera |
| Charles Valentine Riley | 1843 | 1895 | United States | Economic entomology |
| Robert Henry Fernando Rippon | 1816 | 1917 | United Kingdom | Lepidoptera |
| Jean-Baptiste Robineau-Desvoidy | 1799 | 1857 | France | Diptera |
| Harold E. Robinson | 1932 | United States | Diptera | |
| Johann Jacob Roemer | 1763 | 1819 | Switzerland | |
| Alois Friedrich Rogenhofer | 1831 | 1897 | Austria | Lepidoptera |
| Boris Borisovitsch Rohdendorf | 1904 | 1977 | Russia | Diptera |
| Hermann Rolle | 1864 | 1929 | Germany | Lepidoptera, Insect dealer |
| Per Abraham Roman | 1872 | 1943 | Sweden | Hymenoptera |
| Camillo Róndani | 1808 | 1879 | Italy | Diptera |
| August Johann Rösel von Rosenhof | 1705 | 1759 | Germany | |
| Pietro Rossi | 1738 | 1804 | Italy | Odonata, Lepidoptera |
| Josef Emanuel Fischer von Röslerstamm | 1787 | 1866 | Czech Republic | Lepidoptera |
| Charles Rothschild | 1877 | 1923 | United Kingdom | Siphonaptera |
| Miriam Louisa Rothschild | 1908 | 2005 | United Kingdom | Siphonaptera |
| Walter Rothschild, 2nd Baron Rothschild | 1868 | 1937 | United Kingdom | Lepidoptera |
| S. A. von Rottemburg | Germany | Lepidoptera | ||
| G. T. Rudd | United Kingdom | Coleoptera | ||
| Gaston Ruter | 1898 | 1979 | France | Coleoptera Cetoniidae |
| Johan Reinhold Sahlberg | 1845 | 1920 | Finland | Coleoptera |
| Osbert Salvin | 1835 | 1898 | United Kingdom | |
| George Samouelle | 1790 | 1846 | United Kingdom | Lepidoptera |
| Felix Santschi | 1872 | 1940 | Switzerland | Formicidae |
| Félicien Henry Caignart de Saulcy | 1832 | 1912 | France | Coleoptera |
| William Wilson Saunders | 1809 | 1879 | United Kingdom | Lepidoptera, Hymenoptera |
| Henri de Saussure | 1829 | 1905 | Switzerland | Hymenoptera, Orthoptera |
| Thomas Say | 1787 | 1834 | United States | |
| Johann Gottlieb Schaller | 1734 | 1814 | Germany | Lepidoptera |
| William Schaus | 1858 | 1942 | United States | Lepidoptera |
| Johann Rudolph Schellenberg | 1740 | 1806 | Switzerland | Coleoptera, Diptera |
| Ignaz Schiffermüller | 1727 | 1806 | Austria | Lepidoptera |
| Ignaz Rudolph Schiner | 1813 | 1873 | Austria | Diptera |
| Jørgen Matthias Christian Schiødte | 1815 | 1884 | Denmark | |
| Dietrich von Schlechtendal | 1834 | 1916 | Germany | Hymenoptera, Cynipidae |
| Justin O. Schmidt | United States | |||
| Hermann Schmitz | 1878 | 1960 | Germany | Diptera, Phoridae. |
| Carl Johan Schönherr | 1772 | 1848 | Sweden | Coleoptera |
| Franz Paula von Schrank | 1747 | 1835 | Germany | |
| Johann Christian Daniel von Schreber | 1739 | 1810 | Germany | |
| Arnold Schultze | 1875 | 1948 | Germany | Lepidoptera |
| Theodor Emil Schummel | 1786 | 1848 | Germany | Diptera |
| Giovanni Antonio Scopoli | 1723 | 1788 | Italy | Coleoptera |
| Alexander Walker Scott | 1800 | 1883 | Australia | |
| John Scott (entomologist) | 1823 | 1888 | United Kingdom | |
| Samuel Hubbard Scudder | 1837 | 1911 | United States | |
| Boris Nikolayevich Schwanwitsch | 1889 | 1957 | Russia | Lepidoptera |
| Wolfgang Schwenke | 1921 | 2006 | Germany | Forest entomology, Ichneumonidae |
| Eugène Séguy | 1890 | 1985 | France | Diptera |
| Adalbert Seitz | 1860 | 1938 | Germany | Lepidoptera |
| Edmond de Sélys Longchamps | 1813 | 1900 | Belgium | Odonata |
| Andrey Semyonov-Tyan-Shansky | 1866 | 1942 | Russia | Coleoptera |
| Ronald A. Senior-White | 1891 | 1954 | United Kingdom | Diptera |
| David Sharp (entomologist) | 1840 | 1922 | United Kingdom | Coleoptera |
| Herbert Kenneth Airy Shaw | 1902 | 1985 | United Kingdom | |
| Robert Walter Campbell Shelford | 1872 | 1912 | United Kingdom | |
| Philip Sheppard | 1921 | 1976 | United Kingdom | Lepidoptera |
| Takashi Shirozu | 1917 | 2004 | Japan | Lepidoptera |
| Frédéric Jules Sichel | 1802 | 1868 | France | Hymenoptera |
| Victor Antoine Signoret | 1816 | 1889 | France | Hemiptera |
| Sydney Skaife | 1889 | 1976 | South Africa | Hymenoptera |
| Frederick Smith (entomologist) | 1805 | 1879 | United Kingdom | Hymenoptera |
| James Edward Smith | 1759 | 1828 | United Kingdom | |
| Ray F. Smith | 1919 | 1999 | United States | Economic entomology |
| Sidney Irving Smith | 1843 | 1926 | United States | |
| Roy Snelling | 1934 | 2008 | United States | Hymenoptera |
| Robert Evans Snodgrass | 1875 | 1962 | United States | |
| Edgar Harold Strickland | 1889 | 1962 | Canada | Diptera |
| Paul Gustav Eduard Speiser | 1877 | 1945 | Germany | Diptera |
| William Spence | 1783 | 1860 | United Kingdom | |
| William Blundell Spence | 1813 | 1900 | United Kingdom | |
| Andrew Spielman | 1930 | 2006 | United States | Medical entomology |
| Maximilian Spinola | 1780 | 1857 | France | Coleoptera, Hymenoptera, Hemiptera |
| Rasmus Carl Staeger | 1800 | 1875 | Denmark | Diptera |
| Henry Tibbats Stainton | 1822 | 1892 | United Kingdom | Lepidoptera |
| Carl Stål | 1833 | 1878 | Sweden | Hemiptera |
| Hermann Friedrich Stannius | 1808 | 1883 | France | Diptera |
| Otto Staudinger | 1830 | 1900 | Germany | Lepidoptera |
| Pietro Stefanelli | 1835 | 1919 | Italy | Odonata, Lepidoptera |
| Paul Stein (entomologist) | 1852 | 1921 | Germany | Diptera |
| Samuel Friedrich Stein | 1818 | 1885 | Germany | Diptera |
| James Francis Stephens | 1792 | 1852 | United Kingdom | Coleoptera |
| Christian von Steven | 1781 | 1863 | Russia | Lepidoptera |
| Hans Ferdinand Emil Julius Stichel | 1862 | 1936 | Germany | Lepidoptera |
| Caspar Stoll | 1795 | Netherlands | ||
| Embrik Strand | 1876 | 1947 | Norway | |
| Ferdinand Heinrich Hermann Strecker | 1836 | 1901 | United States | Lepidoptera |
| Gabriel Strobl | 1846 | 1925 | Austria | Diptera |
| Henry Frederick Strohecker | 1905 | 1988 | United States | Coleoptera |
| Johann Heinrich Sulzer | 1735 | 1813 | Switzerland | |
| Surcouf | 1873 | 1934 | France | |
| William Swainson | 1789 | 1855 | United Kingdom | |
| Jan Swammerdam | 1637 | 1680 | Netherlands | |
| Charles Swinhoe | 1838 | 1923 | United Kingdom | Lepidoptera |
| Robert Swinhoe | 1836 | 1877 | United Kingdom | |
| Datuk Rahman Anwar Syed | 1932 | 2009 | Pakistan | Economic entomology |
| Zoltán Szilády | 1878 | 1947 | Hungary | Diptera |
| Stephen Taber III | 1924 | 2008 | United States | Hymenoptera |
| Ernst Ludwig Taschenberg | 1818 | 1897 | Germany | |
| Robert Templeton | 1802 | 1892 | Ireland | |
| Gilles Terral | 1943 | 1998 | France | Lepidoptera, Saturniidae |
| Oskar Theodor | 1898 | 1987 | Israel | Diptera |
| Cyrus Thomas | 1825 | 1910 | United States | |
| Michael C. Thomas | United States | Coleoptera | ||
| Carl Gustaf Thomson | 1824 | 1899 | Sweden | Coleoptera, Hymenoptera |
| Carl Peter Thunberg | 1743 | 1828 | Sweden | Coleoptera |
| Robert John Tillyard | 1881 | 1937 | Australia | Odonata, Plecoptera, Neuroptera |
| Philip Hunter Timberlake | 1883 | 1981 | United States | Hymenoptera |
| Norman Tindale | 1900 | 1993 | Australia | |
| Friedrich F. Tippmann | 1894 | 1974 | Hungary | Coleoptera |
| Maeda Toshiyasu | 1799 | 1859 | Japan | All orders |
| Hervé de Toulgoët | 1911 | 2009 | France | Lepidoptera Arctiidae |
| Adolfo Targioni Tozzetti | 1823 | 1902 | Italy | Hemiptera |
| Roland Trimen | 1840 | 1916 | United Kingdom / South Africa | |
| Alessandro Trotter | 1874 | 1967 | Italy | Hymenoptera and Diptera |
| Charles Henry Turner | 1867 | 1923 | United States | All orders |
| J. W. Tutt | 1858 | 1911 | United Kingdom | Lepidoptera |
| Iwasaki Tsunemasa | 1786 | 1842 | Japan | All higher orders |
| Peter Twinn | 1916 | 2004 | United Kingdom | Coleoptera |
| Pierre Léonard Vander Linden | 1797 | 1831 | Belgium | |
| Ruggero Verity | 1883 | 1959 | Italy | Lepidoptera |
| George Henry Verrall | 1855 | 1911 | United Kingdom | Diptera |
| Enrico Verson | 1845 | 1927 | Italy | Sericulture |
| Carlo Vidano | 1923 | 1989 | Italy | Auchenorrhyca, Apiculture |
| Pierre Viette | 1921 | 2011 | France | Lepidoptera |
| Joseph Villeneuve de Janti | 1868 | 1944 | France | Diptera |
| Sigbert Wagener | 1919 | 2004 | Germany | Lepidoptera |
| David L. Wagner | 1956 | United States | Lepidoptera | |
| Johan August Wahlberg | 1810 | 1856 | Sweden | Coleoptera, Lepidoptera |
| Peter Fredrik Wahlberg | 1800 | 1877 | Sweden | |
| Charles Athanase Walckenaer | 1771 | 1852 | France | |
| Johann Fischer von Waldheim | 1771 | 1853 | Germany | |
| James John Walker (entomologist) | 1851 | 1939 | United Kingdom | |
| Francis Walker (entomologist) | 1809 | 1874 | United Kingdom | |
| Hans Daniel Johan Wallengren | 1823 | 1894 | Sweden | |
| Benjamin Dann Walsh | 1808 | 1869 | United States | |
| Joseph Waltl | 1805 | 1888 | Germany | Coleoptera |
| Doug Waterhouse | 1916 | 2000 | Australia | |
| Frederick George Waterhouse | 1815 | 1898 | Australia | |
| George Robert Waterhouse | 1810 | 1888 | United Kingdom | |
| John Jenner Weir | 1822 | 1894 | United Kingdom | Lepidoptera |
| Torkel Weis-Fogh | 1922 | 1975 | Denmark | Orthoptera |
| Constantin Wesmael | 1798 | 1872 | Belgium | Hymenoptera |
| Mary Jane West-Eberhard | United States | Hymenoptera | ||
| Bernt Wilhelm Westermann | 1781 | 1868 | Denmark | |
| John Obadiah Westwood | 1805 | 1893 | United Kingdom | Formicidae |
| William Morton Wheeler | 1865 | 1937 | United States | Formicidae |
| Adam White (zoologist) | 1817 | 1879 | United Kingdom | |
| Francis Buchanan White | 1842 | 1894 | United Kingdom | |
| Christian Rudolph Wilhelm Wiedemann | 1770 | 1840 | Germany | Diptera |
| Vincent Wigglesworth | 1899 | 1994 | United Kingdom | |
| Benjamin Wilkes | United Kingdom | Lepidoptera | ||
| Carrington Bonsor Williams | 1889 | 1981 | United Kingdom | Economic entomology, migration, ecology |
| E. O. Wilson | 1929 | United States | Formicidae | |
| Johannes Winnertz | 1800 | 1896 | Germany | Diptera |
| Wilhelm von Winthem | 1799 | 1847 | Germany | Diptera, Hymenoptera |
| Heinrich Wolf | 1924 | 2004 | Germany | Hymenoptera |
| Johann Friedrich Wolff | 1778 | 1806 | Germany | Hymenoptera |
| Thomas Vernon Wollaston | 1822 | 1878 | United Kingdom | Coleoptera |
| Charles E. Woodworth | 1897 | 1966 | United States | Economic entomology |
| Charles W. Woodworth | 1865 | 1940 | United States | Economic entomology |
| Thomas Workman | 1844 | 1900 | Ireland | Lepidoptera |
| Philogène Auguste Galilée Wytsman | 1866 | 1925 | Belgium | |
| Philipp Christoph Zeller | 1808 | 1883 | Germany | |
| Johan Wilhelm Zetterstedt | 1785 | 1875 | Sweden | Diptera, Hymenoptera |
| Daniel Ziegler | 1804 | 1876 | United States | |
| Johann Leopold Theodor Friedrich Zincken | 1770 | 1856 | Germany | |
| Fritz Konrad Ernst Zumpt | 1908 | 1985 | Germany | Diptera |