- Knickers in a Twist
- Knife Edge
- Knife Lines
- Knifed in Nice
- Knight and Shadow
- Knight of my Dreams
- Knit of the Living Dead
- Knit One, Die Two
- Knit One, Kill Two
- Knit or Dye Trying
- Knit to Be Tied
- Knit Your Own Murder
- Knitting Bones
- Knitting is Murder
- Knitty Gritty Murder
- Knives & Knightsticks
- Knock, Knock...
- Knockdown
- Knocking on Death's Door
- Knockout (A Holly Hands Mystery—Book 1)
- Knockout (Ein Holly Hands Krimi – Band 1)
- Knot a Clue
- Knot Guilty
- Knot of This World
- Knot on Her Life
- Knot on Your Life
- Knot Ready for Murder
- Knot the Usual Suspects
- Knot What It Seams
- Knowing
- Knowing Abbie
- Known to Evil
- Komm gut heim
- Kommissar Lavalle - Der erste Fall: Im Haus des Hutmachers
- Kompliziertes Herz
- Konstnärens ö
- Koorts
- Krapp's Last Cassette
- Kretsen
- Krew, którą nasiąkła
- Kriminalfälle von Detektiv Paul Beck & Detektivin Dora Myrl
- Kryptos
- Kuolema Ehtoolehdossa
- Kuolleet enkelit
- Kvinnan i fönstret
- Kälter als die Angst
- Kärlek och projektiler
- Königliche Verschwörung
- Küste, Meer & Mord
- Küstentod
- Küstenzorn