- Frankenhooker (1990)
R | Comedy/Science fiction
- The Freakmaker (1975)
R | Science fiction/Horror
- The Faculty (1998)
R | Science fiction/Horror
- Flashback (2021)
R | Drama/Science fiction
- Freejack (1992)
R | Science fiction
- From Beyond (1986)
R | Science fiction/Horror
- Fiend
NR | Science fiction
- First Man Into Space (1959)
NR | Science fiction
- The Flight That Disappeared
NR | Science fiction
- First Contact
NR | Drama/Science fiction
- Fried Barry
NR | Comedy/Science fiction
- The Facility (2014)
NR | Science fiction/Horror
- The Final Executioner
NR | Science fiction
- Frankenstein '80 (2012)
NR | Science fiction/Horror
- Footprints on the Moon (1975)
NR | Science fiction