H-L
- Jane Haddam (born 1951)
- Parnell Hall (b. 1944)
- Brett Halliday (1904–1977)
- Bruce Barrymore Halpenny
- Dashiell Hammett (1894–1961)
- David Handler
- Charlaine Harris
- Lee Harris
- Carolyn G. Hart
- Ellen Hart
- Erin Hart (born 1958)
- J.M. Hayes
- Helith, pseudonym of Hans Peter Dijkhuizen (1960- )
- Wayne Herschel
- Georgette Heyer (1902–1974)
- Keigo Higashino
- Reginald Hill (born 1936)
- Tony Hillerman (1925–2008)
- Genevieve Holden, pseudonym of Genevieve Pou (1919–2007)
- Kay Hooper
- Charlotte Hughes
- Gwen Hunter
- Ibn-e-Safi (1940–1980)
- Greg Iles
- India Ink
- Michael Innes (1906–1994)
- Charles Irion
- Kotaro Isaka
- P. D. James (born 1920)
- J. A. Jance
- Charlotte Jay (1919–1996)
- Linda O. Johnston
- Stan Jones
- Stuart M. Kaminsky (1934-2009)
- Alex Kava
- H. R. F. Keating (born 1926)
- Carolyn Keene, (author of Nancy Drew series of novels)
- Faye Kellerman
- Jonathan Kellerman
- Harry Kemelman (1908–1996)
- David Kessler (born 1957)
- Karen Kijewski
- Laurie R. King
- Natsuo Kirino
- Kenzo Kitakata
- Carl Kosak (born 1934), (pseudonym KC Constantine)
- Ken Kuhlken
- Michael Kurland (born 1938)
- Natsuhiko Kyogoku
- Lori L. Lake (born 1960)
- Barbara Lee
- Gaston Leroux (born 1868)
- Paul Levinson (born 1947)
- Beverly Lewis
- Laura Lippman
- Ann Littlewood
- Peter Lovesey (born 1936)
- Dennis Lynds (1924–2005)
- Lois Lavrisa (born 1961)
Read more about this topic: List Of Mystery Writers