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