- Madman (1982)
R | Horror/Thriller
- Mojave (2015)
R | Thriller
- Mississippi Mermaid (1970)
R | Crime drama/Thriller
- The Mortician (2012)
R | Thriller
- Motives 2: Retribution (2007)
R | Drama/Thriller
- Moon (2009)
R | Science fiction/Thriller
- Monolith (2024)
R | Science fiction/Thriller
- Mute Witness (1996)
R | Comedy drama/Horror
- The Mauritanian (2021)
R | Drama/Thriller
- Mother Mary (2026)
R | Drama/Pop
- Miami Blues (1990)
R | Thriller/Dark comedy
- Mortal Passions (1990)
R | Thriller
- The Manson Family (2004)
R | Crime drama/Horror
- mother! (2017)
R | Horror/Thriller
- The Manchurian Candidate (2004)
R | Drama/Science fiction
- Mindhunters (2005)
R | Crime drama/Thriller
- Mutant (1984)
R | Science fiction/Horror
- The Mist (2008)
R | Science fiction/Horror
- Man on Fire (2004)
R | Action/Thriller
- The Minute You Wake Up Dead (2022)
R | Thriller
- My Soul to Take (2010)
R | Horror/Thriller
- Miracle Mile (1989)
R | Thriller
- Mojave Diamonds (2023)
R | Action/Thriller
- Marauders (2016)
R | Crime drama/Action
- Mississippi Burning (1989)
R | Crime drama/Mystery
- The Missing (2003)
R | Drama/Western
- Mr. Brooks (2007)
R | Crime drama/Thriller
- Man Down (2016)
R | Drama/Thriller
- Marathon Man (1976)
R | Drama/Action
- Motives
R | Thriller
- Mayhem! (2024)
R | Action/Thriller
- Mara (2018)
R | Crime drama/Drama
- The Machinist (2004)
R | Thriller
- Maximum Conviction (2012)
R | Action/Thriller
- Mata Hari (1985)
R | Comedy/Drama
- Miss Pinkerton
NR | Mystery
- Medusa (2022)
NR | Horror/Thriller
- My Boyfriend's Wife Is Dead
NR | Thriller
- Music Store Massacre
NR | Crime drama/Horror
- Morning Show Mysteries: Murder Ever After
NR | Mystery
- Mind Rage
NR | Thriller
- Matchmaker Mysteries: A Killer Engagement
NR | Crime drama/Romance
- Miss Fisher and the Crypt of Tears (2020)
NR | Adventure/Mystery
- Morning Show Mysteries: A Murder in Mind
NR | Crime drama/Mystery
- A Miracle on Christmas Lake (2016)
NR | Holiday/Mystery
- Murder Once Removed
NR | Mystery
- Murder Most Foul (1991)
NR | Crime drama/Mystery
- Morning Show Mysteries: Countdown to Murder
NR | Mystery
- Morning Show Mysteries: Death by Design
NR | Mystery
- A Model Murder (2024)
NR | Thriller
- My Father's Other Family
NR | Thriller
- My Killer Reunion (2023)
NR | Thriller/Mystery
- May The Devil Take You Too
NR | Horror/Thriller
- MadS (2024)
NR | Horror/Thriller
- Mega Ape
NR | Action/Science fiction
- Mommy's Deadly Con Artist
NR | Thriller
- Matchmaker Mysteries: The Art of the Kill
NR | Crime drama/Romance
- Miss Narca
NR | Action/Thriller
- Monte Carlo Nights
NR | Mystery
- The Mill Killers
NR | Horror/Thriller
- Morning Show Mystery: Mortal Mishaps
NR | Mystery
- My Husband's Killer Affair (2024)
NR | Thriller
- Murder at the Derby (2025)
NR | Thriller
- My Doctor's Secret Life
NR | Thriller
- The Man With Two Lives (1942)
NR | Drama/Thriller
- Morning Show Mysteries: Murder on the Menu
NR | Crime drama/Mystery
- Morgue (2020)
NR | Crime drama/Historical drama
- Mentirosa
NR | Comedy/Thriller
- Mountain Top
NR | Drama/Mystery
- My Husband's Mistress (2026)
NR | Thriller
- A Mother's Embrace
NR | Thriller
- My Professor's Deadly Secret (2024)
NR | Thriller
- The Mill
NR | Thriller
- My Two Husbands
NR | Thriller
- Murder 101 (2006)
NR | Mystery
- Match, Meet, Murder (2025)
NR | Thriller
- My Only Fan
NR | Crime drama/Thriller
- Mandy (2018)
NR | Horror/Thriller
- Macabre (1980)
NR | Horror/Thriller
- Marshmallow (2025)
NR | Horror/Thriller
- Missing and Alone (2021)
NR | Thriller
- Mystery Island: House Rules (2025)
NR | Adventure/Mystery
- Midnighters (2017)
NR | Holiday/Horror
- Mansion Murder
NR | Mystery
- Mandrake
NR | Horror/Thriller
- Metamorphosis (2019)
NR | Crime drama/Drama
- My Wife's Hidden Lover (2023)
NR | Thriller
- Mystery Road (2014)
NR | Crime drama/Thriller
- My Sister's Double Life (2025)
NR | Thriller
- Muzzle (2023)
NR | Crime drama/Action
- The Mortuary Assistant (2026)
NR | Horror/Thriller
- Matilda's Bridge, a Duppy Story
NR | Horror/Thriller
- Murder at the Country Club (2023)
NR | Thriller
- More Bitter Than Death: An Emma Fielding Mystery
NR | Mystery
- Murder by Television (1935)
NR | Mystery
- Million Dollar Lethal Listing (2024)
NR | Thriller
- Murder Below Deck
NR | Mystery
- The Midnight After (2016)
NR | Comedy/Thriller
- Mystery Island: Winner Takes All (2025)
NR | Mystery
- Maria, Leonora, Teresa (2014)
NR | Drama/Horror