Dean Koontz is one of the most prolific suspense writers alive. It is no surprise, then, that many of Koontz's books have been adapted into movies. Here is a complete list of Dean Koontz movies by year.
- 1977 - Demon Seed
- 1979 - The Intruder
- 1988 - Watchers
- 1990 - Whispers
- 1990 - Watchers II
- 1990 - The Face of Fear
- 1991 - The Servants of Twilight
- 1994 - Watchers III
- 1995 - Hideaway
- 1997 - Intensity
- 1998 - Mr. Murder
- 1998 - Phantoms
- 1998 - Watchers Reborn
- 2000 - Sole Survivor
- 2001 - Black River
- To Be Released - The Husband
