- The Others (2001)
PG-13 | Horror/Thriller
- Old (2021)
PG-13 | Drama/Horror
- Our House (2018)
PG-13 | Science fiction/Horror
- Oily Maniac
NR | Horror
- One Missed Call: Final (2009)
NR | Horror/Thriller
- Oscar Tango Hellwater
NR | Horror
- The Outwaters (2022)
NR | Horror/Thriller
- Offseason (2021)
NR | Horror/Thriller
- The Other
NR | Horror/Thriller
- Open Grave (2014)
NR | Horror
- One Cut of the Dead (2019)
NR | Comedy/Horror