Medwin is a surname. Notable people with the surname include:
- Albert Medwin (1925–2020), American electrical engineer
- Cameron Medwin (born 1982), Canadian soccer player
- Michael Medwin (1923–2020), English actor and film producer
- Terry Medwin (1932–2024), Welsh international footballer
- Thomas Medwin (1788–1869), English poet and translator
Fictional characters
edit- Arthur Medwin, a character in the British soap-opera Coronation Street