Gwinn is a surname. Notable people with the surname include:
- Curtis Gwinn, writer
- Donald Gwinn (1902–1961), American hammer thrower
- John Gwinn III (1791–1849), United States Navy officer
- Giulia Gwinn, German footballer
- Lambert Estes Gwinn (1884–1958), Tennessee attorney, educator, and politician
- Peter Gwinn, American comedy writer and improviser
- Ralph W. Gwinn (1884–1962), Republican member of US House of Representatives from NY
See also
edit- Gwinn, Michigan, unincorporated community in Marquette County, Michigan, United States