นิยาย

• The Fall of the Dream Machine (1969 as Dean R. Koontz)
• Chase (1972, as K. R. Dwyer), revised and reissued (1995)
• Shattered (1973, as K. R. Dwyer)
• Demon Seed (1973) (later revised and reissued)
• Invasion (1975, as Aaron Wolfe), reissued as Winter Moon (1994)
• Prison of Ice (1976, as David Axton), reissued as Icebound (1995)
• Night Chills (1976)
• Hanging On (1976)
• The Face of Fear (1977, as Brian Coffey)
• The Vision (1977)
• The Key to Midnight (1979, as Leigh Nichols)
• The Voice of the Night (1980, as Brian Coffey)
• The Funhouse (1980, as Owen West) (novelization of The Funhouse, a Tobe Hooper film)
• Whispers (1980)
• The Mask (1981, as Owen West)
• The Eyes of Darkness (1981, as Leigh Nichols)
• The House of Thunder (1982, as Leigh Nichols)
• Phantoms (1983)
• Darkfall (1984)
• The Servants of Twilight (1984, as Leigh Nichols)
• Twilight Eyes (1985) (reissued in 1987 with a second half)
• The Door to December (1985, as Richard Paige)
• Strangers (1986)
• Watchers (1987)
• Shadow Fires (1987, as Leigh Nichols)
• Lightning (1988)
• Midnight (1989)
• The Bad Place (1990)
• Cold Fire (1991)
• Hideaway (1992)
• Mr. Murder (1993)
• Dragon Tears (1993)
• Winter Moon (1994) (extensive revision of Invasion)
• Dark Rivers of the Heart (1994)
• Icebound (1995) (extensive revision of Prison of Ice)
• Strange Highways (Cemetery Dance Publications, 1995) (collection of short stories)
• Intensity (1996)
• Ticktock (1996)
• Demon Seed (1997) (revised)
• Sole Survivor (January 29 1997)
• Fear Nothing (Book one in the Moonlight Bay Trilogy) (January 14 1998)
• Seize the Night (Book two in the Moonlight Bay Trilogy) (December 29 1998)
• False Memory (December 28 1999)
• From the Corner of His Eye (December 26 2000)
• One Door Away from Heaven (December 26 2001)
• By the Light of the Moon (December 24 2002)
• The Face (May 27 2003)
• Odd Thomas (December 9 2003) (Book one in the Odd Thomas Series)
• The Taking (May 25 2004)
• Life Expectancy (December 7 2004)
• Prodigal Son w/ Kevin J. Anderson (Book one in the Dean Koontz's Frankenstein series) (January 25 2005)
• Velocity (May 24 2005)
• City of Night w/ Edward Gorman|Ed Gorman (Book two in the Dean Koontz's Frankenstein series) (July 26 2005)
• Forever Odd (November 29 2005) (Book two in the Odd Thomas Series)
• The Husband (May 30 2006)
• Brother Odd (November 28 2006) (Book three in the Odd Thomas Series)
• The Good Guy (May 29, 2007)
• The Darkest Evening of the Year (November 27 2007)
• Odd Hours (May 20, 2008) (Book four in the Odd Thomas Series)
• Your Heart Belongs to Me (November 25, 2008)
• Dead and Alive (Book three in the Dean Koontz's Frankenstein series) (July 28 2009)
• Relentless (Previously known as The Other Side of the Woods) (June 9, 2009)
• Breathless (November 24, 2009)

นิยายที่ได้รับการปฏิเสธในช่วงแรก (out of print)