Summerfield is an English surname. Notable people with the surname include:
- Adam Summerfield (born 1990), professional ice hockey goaltender
- Arthur Summerfield (1899–1972), American politician
- Derek Summerfield, psychiatrist
- Eleanor Summerfield (1921–2001), British actress
- Kevin Summerfield (born 1959), English football coach
- Luke Summerfield (born 1987), English footballer
- Paddy Summerfield (born 1947), professional photographer
- Rob Summerfield, American politician
- Rose Summerfield (1864–1922), Australian feminist
Fictional characters:
- Bernice Summerfield, character in novels and audio plays based on the television series Doctor Who