Drinkwater is a surname. It is often the anglicized form of the Italian surname Bevilacqua. Notable people with the surname include:
Arthur Thomas Drinkwater (1894–1972), Australian-born World War I flying aceBen Drinkwater (1910–1949), motor-cycle racerBert Drinkwater (1895–1947), Australian footballerCarol Drinkwater (b. 1948), Anglo-Irish actress and authorCharles Drinkwater (soccer), American soccer playerDanny Drinkwater (b. 1990), English football playerGraham Drinkwater (1875–1946), Canadian ice hockey player, businessman and philanthropistHarry Drinkwater (1844–1895), British architectDr Harold Drinkwater (1855-1925) British botanical artistJohn Drinkwater (musician, technologist), (b. 1957), English musician and sound technologistJohn Drinkwater (playwright), (1882–1937), English poet and dramatistJosh Drinkwater (b. 1992), Australian professional rugby playerPeter Drinkwater (1750–1801) English textile businessmanRay Drinkwater (1931–2008), British soccer playerRos Drinkwater (b. 1944), Scottish-born actressSean T. Drinkwater (b. 1972) American musicianSkip Drinkwater American record producerTerry Drinkwater (1936–1989), American television and radio journalistWilliam Drinkwater (1812–1909), Manx judgeFictional characters:
Gerris Drinkwater, in A Song of Ice and Fire by George R. R. MartinNathaniel Drinkwater, protagonist of a series of novels by Richard Woodman