This is a complete list of the operas and operettas of the Austro-Hungarian composer Franz Lehár (1870–1948).
| Title | Genre | Subdivisions | Libretto | Première date | Place, theatre |
|---|---|---|---|---|---|
| Der Kürassier | Oper | G Ruther | incomplete (composed 1891-92) | ||
| Rodrigo | Oper | Rudolf Mlčoch | unperformed (composed 1893) | ||
| Kukuška | Oper | 3 acts | Felix Falzari | 27 November 1896 | Leipzig, Stadttheater |
| Arabella, der Kubanerin | Operette | G Schmidt | incomplete (composed 1901) | ||
| Das Klub-Baby | Operette | Viktor Léon | incomplete (composed 1901) | ||
| Der Klavierstimmer (Wiener Frauen) | Operette | 3 acts | Ottokar Tann-Bergler and Emil Norini | 21 November 1902 | Vienna, Theater an der Wien |
| Der Rastelbinder | Operette | prelude and 2 acts | Viktor Léon | 20 December 1902 | Vienna, Carltheater |
| Der Göttergatte | Operette | prelude and 2 acts | Viktor Léon and Leo Stein | 20 January 1904 | Vienna, Carltheater |
| Die Juxheirat | Operette | 3 acts | Julius Bauer | 21 December 1904 | Vienna, Theater an der Wien |
| The Merry Widow | Operette | 3 acts | Viktor Léon and Leo Stein, after L'attaché d'ambassade by Henri Meilhac | 30 December 1905 | Vienna, Theater an der Wien |
| Der Schlüssel zum Paradies (revised version of Der Klavierstimmer) | Operette | 3 acts | Emil Norini and Julius Horst | October 1906 | Leipzig |
| Peter und Paul schlafen ins Schlaraffenland | Zaubermärchen | 1 act | Fritz Grünbaum and Robert Bodanzky | 1 December 1906 | Vienna, Theater an der Wien |
| Mitislaw der Moderne | Operette | 1 act | Fritz Grünbaum and Robert Bodanzky | 5 January 1907 | Vienna, Die Hölle |
| Der Mann mit den drei Frauen | Operette | 3 acts | Julius Bauer, after Alexandre Bisson's Le contrôleur des wagon-lits | 21 January 1908 | Vienna, Theater an der Wien |
| Das Fürstenkind | Operette | prelude and 3 acts | Viktor Léon, after Edmond About's Le roi des montagnes | 7 October 1909 | Vienna, Johann Strauß-Theater |
| Der Graf von Luxemburg | Operette | prelude and 3 acts | A. M. Willner and Robert Bodanzky | 12 November 1909, revised version 4 March 1937 | Vienna, Theater an der Wien, revised version Berlin, Theater des Volkes |
| Zigeunerliebe | romantische Operette | 3 acts | A. M. Willner and Robert Bodanzky | 8 January 1910 | Vienna, Carltheater |
| Eva (Das Fabriksmädel) | Operette | 3 acts | A. M. Willner and Robert Bodanzky | 24 November 1911 | Vienna, Theater an der Wien |
| Rosenstock und Edelweiss | Singspiel | 1 act | Julius Bauer | 1 December 1912 | Vienna |
| Die ideale Gattin (revised version of Der Göttergatte) | Operette | 3 acts | Julius Brammer and Alfred Grünwald, after Die Zwillingsschwester by Ludwig Fulda | 11 October 1913 | Vienna, Theater an der Wien |
| Endlich allein | Operette | 3 acts | A. M. Willner and Robert Bodanzky | 30 January 1914 | Vienna, Theater an der Wien |
| Der Sterngucker | Operette | 3 acts | Fritz Löhner-Beda | 14 January 1916 | Vienna |
| A pacsirta (Wo die Lerche singt) | Operette | 3 acts | A. M. Willner and Heinz Reichert, after a sketch by Ferenc Martos after Dorf und Stadt by Charlotte Birch-Pfeiffer | 1 January 1918 | Budapest, Royal Opera |
| Die blaue Mazur | Operette | 3 acts | Leo Stein and Béla Jenbach | 28 May 1920 | Vienna, Theater an der Wien |
| Die Tangokönigin (revised version of Die ideale Gattin) | Operette | 3 acts | Julius Brammer and Alfred Grünwald | 9 September 1921 | Vienna, Apollo Theater |
| Frühling | Singspiel | 1 act | Rudolf Eger | 20 January 1922 | Vienna |
| La danza delle libellule (revised version of Der Sterngucker) | Operette | 3 acts | Carlo Lombardo | 14 January 1922 | Milan, Teatro Lirico |
| Frasquita | Operette | 3 acts | A. M. Willner and Heinz Reichert | 12 May 1922 | Vienna, Theater an der Wien |
| Die gelbe Jacke | Operette | 3 acts | Viktor Léon | 9 February 1923 | Vienna, Theater an der Wien |
| Libellentanz (revised version of La danza delle libellule) | Operette | Carlo Lombardo and A. M. Willner | 21 March 1923 | Vienna, Stadttheater | |
| Cloclo | Operette | 3 acts | Béla Jenbach, after Der Schrei nach dem Kinde by Julius Horst and Alexander Engel | 8 March 1924 | Vienna, Bürgertheater |
| Paganini | Operette | 3 acts | Paul Knepler and Béla Jenbach | 30 October 1925 | Vienna, Johann Strauß-Theater |
| Gigolette (revised version of La danza delle libellule) | Operette | 3 acts | Carlo Lombardo and Giovacchino Forzano | 30 October 1926 | Milan, Teatro Lirico |
| Der Zarewitsch | Operette | 3 acts | Heinz Reichert and Béla Jenbach, after Gabriela Zapolska's Carewicz | 26 February 1926 | Berlin, Deutsches Künstlertheater |
| Frühlingsmädel (revised version of Frühling) | Singspiel | 1 act | Rudolf Eger | 29 May 1928 | Berlin, Neues Theater am Zoo |
| Friederike | Singspiel | 3 acts | Ludwig Herzer and Fritz Löhner-Beda | 4 October 1928 | Berlin, Metropol Theater |
| The Land of Smiles (revised version of Die gelbe Jacke) | romantische Operette | 3 acts | Ludwig Herzer and Fritz Löhner-Beda, after Viktor Léon | 10 October 1929 | Berlin, Metropol Theater |
| Schön ist die Welt (revised version of Endlich allein) | Operette | 3 acts | Ludwig Herzer and Fritz Löhner-Beda | 3 December 1930 | Berlin, Metropol Theater |
| Der Fürst der Berge (revised version of Das Fürstenkind) | Operette | 23 September 1932 | Berlin, Nollendorfplatz | ||
| Giuditta | musikalische Komödie | 5 scenes | Paul Knepler and Fritz Löhner-Beda | 20 January 1934 | Vienna State Opera |
| Garabonciás diák (The Wandering Scholar, revised version of Zigeunerliebe) | romantische Singspiel | 3 acts | Vincze Ernő Innocent | 20 February 1943 | Budapest, Royal Opera |