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