Starmer is a surname. Notable people by that name include:
- Aaron Starmer (born 1976), American author
- Clement Starmer (1895–1978), English cricketer
- Keir Starmer (born 1962), British politician and Leader of the Opposition since 2020
- Nigel Starmer-Smith (born 1944), English rugby union player, journalist and commentator
- Walter P. Starmer (1877–1961), English artist
- William Austin Starmer, sheet music cover artist
- William T. Starmer, American geneticist and professor