Flim or FLIM may refer to:
- Fluorescence-lifetime imaging microscopy
- Jimmy Johnson (bassist) (born 1956), American bass guitarist
- "Flim", a song by Aphex Twin from Come to Daddy, 1997
- "Flim", a song by Mouse on Mars from Glam, 1998
- Flim (Star Wars), a character in the Star Wars franchise
- A misspelling of film