Drinker is a surname. Notable people with the surname include:
Elizabeth Sandwith Drinker (ca. 1735–1807), American Quaker diarist
Edith May (pseudonym of Anne Drinker; 1827–1903), American poet
Edward Drinker Cope (1840–1897), American paleontologist and comparative anatomist Henry Sturgis Drinker (1850–1937), American mechanical engineer, lawyer and author, president of Lehigh University Catherine Ann Drinker (1841–1922), American artist and author Henry Sandwith Drinker (1880–1965), American lawyer and musicologist Sophie Drinker (1888–1967), American amateur musician and musicologist Philip Drinker (1894–1972), American industrial hygienist who invented the first iron lung Cecil Kent Drinker (1887–1956), American physician and founder of the Harvard School of Public Health Katherine Rotan Drinker (1889–1956), American physician Catherine Drinker Bowen, born Catherine Drinker (1897–1973), American biographer Ernesta Drinker Ballard, born Ernesta Drinker (1920–2005), American feminist and horticulturist