Fien or Feen may refer to:
Fien
edit- Casey Fien (born 1983), American former Major League Baseball pitcher
- Cassie Fien (born 1985), Australian marathon runner
- Nathan Fien (born 1979), New Zealand former international rugby league footballer
- Fien Delbaere (born 1996), Belgian racing cyclist
- Fien van Eynde (born 1998), Belgian racing cyclist
- Fien Troch (born 1978), Belgian film director, producer and screenwriter
Feen
edit- Maas van der Feen (1888–1973), Dutch tennis player
- Paul van der Feen (born 1978), Dutch saxophonist