William Curtis was an English botanist.

William or Will Curtis may also refer to:

Nobility

• Sir William Curtis, 2nd Baronet (1782–1847), of the Curtis baronets
• Sir William Curtis, 3rd Baronet (1804–1870), of the Curtis baronets
• Sir William Michael Curtis, 4th Baronet (1859–1916), of the Curtis baronets
• Sir William Peter Curtis, 7th Baronet (1935–2014), of the Curtis baronets

Sports

• William Buckingham Curtis (1837–1900), father of American amateur athletics
• William Curtis (cricketer) (1881–1962), English cricketer
• William Curtis (baseball) (fl. 1924), American baseball player

Others

• William Curtis (priest) (1695–1757), Irish Anglican priest
• Sir William Curtis, 1st Baronet (1752–1829), English businessman, banker and politician
• William Dexter Curtis (1857–1935), mayor of Madison, Wisconsin
• William Eleroy Curtis (1850–1911), American journalist and writer
• William J. R. Curtis (born 1948), English architectural historian
• Will Curtis, fictional character in Holby City

See also

• All pages with titles containing William Curtis
• Curtis (surname)
• Bill Curtis (disambiguation)
• Billy Curtis (1909–1988), American film and television actor
• Bill Kurtis (born 1940), American television journalist