William Emerson
William Emerson may refer to:
- William Emerson (mathematician) (1701–1782), English mathematician
- William Emerson (minister) (1769–1811), Unitarian minister, father of Ralph Waldo Emerson
- William Emerson (architect) (1843–1924), British architect
- William Emerson (footballer) (1891–1961), British footballer for Burnley and Glentoran
- William Emerson (journalist) (1923–2009), U.S. journalist
- William Ralph Emerson (1833–1917), American architect
- Bill Emerson (1938–1996), U.S. politician from Missouri
- Bill Emerson (musician) (born 1938), American country music performer
- William Emerson, Sr. (died 1776), minister and grandfather of Ralph Waldo Emerson
- William Henry Emerson (1860–1924), American chemist
- William Keith Emerson (born 1925), American malacologist
- William A. Emerson, retired senior vice president and national sales director of Merrill Lynch
William Emerson is also the given name of:
- Billy "The Kid" Emerson (born 1925), a preacher and former R&B and rock and roll singer and songwriter
- William Emerson Barrett (1858–1906), American journalist and politician
- William Emerson Brock (1872–1950), U.S. Senator from Tennessee
- William Emerson Brock III (born 1930), known as Bill Brock, U.S. Senator from Tennessee and 18th U.S. Secretary of Labor
- William Emerson Ritter (1856–1944), American biologist