- Messengers 2: The Scarecrow (2009)
R | Horror/Thriller
- MaXXXine (2024)
R | Horror/Thriller
- The Menu (2022)
R | Horror/Thriller
- Mary Shelley's Frankenstein (1994)
R | Horror
- Madman (1982)
R | Horror/Thriller
- Maximum Overdrive (1986)
R | Horror
- Mute Witness (1996)
R | Comedy drama/Horror
- mother! (2017)
R | Horror/Thriller
- Mutant (1984)
R | Science fiction/Horror
- The Mist (2008)
R | Science fiction/Horror
- Men (2022)
R | Horror/Thriller
- Misery (1990)
R | Horror/Thriller
- Messiah of Evil (1973)
R | Horror
- The Monster (2016)
R | Horror/Thriller
- Mosquito (1995)
R | Horror
- Mortuary (1983)
R | Horror
- Maniac Cop (1988)
R | Horror
- Mom (1991)
R | Horror
- Mid-Century (2022)
R | Horror/Thriller
- The Moth Diaries (2012)
R | Horror
- Monkey Shines: An Experiment in Fear (1988)
R | Drama/Science fiction
- Megalomaniac
NR | Horror
- Mayhem (2017)
NR | Action/Horror
- The Marshes (2020)
NR | Horror
- Mother of Flies
NR | Horror
- Malum (2023)
NR | Horror
- The Monster Walks
NR | Horror
- Muerte infernal
NR | Horror
- The Mortuary Collection (2019)
NR | Horror/Fantasy
- Mon Mon Mon Monsters (2017)
NR | Horror/Dark comedy
- Medusa (2022)
NR | Horror/Thriller
- Maldición de la Llorona
NR | Horror
- The Man Who Became Everything
NR | Horror
- May The Devil Take You Too
NR | Horror/Thriller
- MadS (2024)
NR | Horror/Thriller
- My Amityville Horror (2013)
NR | Documentary/Horror
- Mother, May I? (2023)
NR | Horror/Thriller
- The Masque of the Red Death (1964)
NR | Horror
- The Monster Maker (1944)
NR | Horror
- The Mad Monster
NR | Horror
- ManFish
NR | Comedy/Horror
- The Midnight Man (2018)
NR | Horror/Thriller
- Mean Spirited (2022)
NR | Comedy/Horror
- Midnighters (2017)
NR | Holiday/Horror
- Marshmallow (2025)
NR | Horror/Thriller
- The Mean One (2022)
NR | Comedy/Holiday
- Monster Island (2024)
NR | Action/Horror
- Metamorphosis (2019)
NR | Horror/Thriller
- Mandy (2018)
NR | Horror/Thriller
- Mandrake
NR | Horror/Thriller
- The Most Dangerous Game (1932)
NR | Horror
- Maniac (2013)
NR | Horror
- Manhattan Baby (2016)
NR | Horror
- Mind Body Spirit (2023)
NR | Horror
- Mosquito State
NR | Drama/Horror
- Mother's Day (1980)
NR | Horror
- Mastemah
NR | Drama/Horror