I-L
- Francis Iles
- Michael Innes
- Jane Isaac
- Kotaro Isaka
- P. D. James
- Quintin Jardine
- Marshall Jevons
- Sharon Kahn
- H. R. F. Keating
- Faye Kellerman
- Jonathan Kellerman
- Harry Kemelman
- Michael Kenyon
- Simon Kernick
- Laurie R. King
- Natsuo Kirino
- Kenzo Kitakata
- Andrew Klavan
- Ronald Knox
- Rajesh Kumar
- Natsuhiko Kyogoku
- Lori L. Lake
- Joe R. Lansdale
- Josh Lanyon
- Gaylord Larsen
- Stieg Larsson
- Emma Lathen
- Steven Long
- John le Carré
- Donna Leon
- Elmore Leonard
- Ira Levin
- E. C. R. Lorac
- Gabrielle Lord
- Mandy Lovejoy
- Gayle Lynds
Read more about this topic: List Of Crime Writers