Gemmill is a surname. Notable people with the surname include:
Archie Gemmill (born 1947), Scottish international footballer
R. Scott Gemmill, American television writer and producer
Scot Gemmill (born 1971), Scottish international footballer, son of Archie, whose clubs include Nottingham Forest and Everton
Scott Gemmill (born 1987), Scottish footballer, whose clubs have included Berwick Rangers and Clyde
Tristan Gemmill (born 1967), English actor