- K-19: The Widowmaker (2002)
PG-13 | Drama/Thriller
- Knowing (2009)
PG-13 | Science fiction/Thriller
- Kindred (2020)
NR | Thriller
- The Killer I Picked Up (2024)
NR | Thriller
- Karen (2021)
NR | Thriller
- Kiss of the Dragon
NR | Action/Martial arts
- Killing the Competition (2025)
NR | Thriller
- Knifecorp
NR | Comedy/Horror
- Kuso (2017)
NR | Drama/Thriller
- Killing for Extra Credit
NR | Thriller
- Kindred Spirits
NR | Thriller
- The Killer Is Calling
NR | Thriller
- Kidnapped in a Small Town (2025)
NR | Thriller
- Killer Rivalry
NR | Thriller
- Kill List (2012)
NR | Horror/Thriller
- Knives and Skin (2019)
NR | Drama/Thriller
- Killing Ground (2017)
NR | Horror/Thriller
- The Kennel Murder Case (1933)
NR | Mystery
- The Killing of Kenneth Chamberlain (2020)
NR | Drama/Thriller
- The Keeper of Lost Causes (2014)
NR | Crime drama/Thriller
- Killer Grades
NR | Thriller
- Konga (1961)
NR | Science fiction/Thriller
- Kaleidoscope (2016)
NR | Thriller
- Kidnapping in the Grand Canyon
NR | Thriller
- Killer in the Woods
NR | Thriller
- Kidnapped (2011)
NR | Horror/Thriller
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