M
- Shane Maloney
- Henning Mankell
- Petros Markaris
- John Marquand
- Ngaio Marsh
- William Marshall
- Edward Marston
- Amanda Matetsky
- Seicho Matsumoto
- Peter May
- Ed McBain
- Cameron McCabe
- James McClure
- Val McDermid
- Dennis McDougal
- Iain McDowall
- Michele McPhee
- Edmund McGirr
- Mary McMullen
- Nicholas Meyer
- Milton Scott Michel
- Zygmunt Miłoszewski
- Denise Mina
- Dreda Say Mitchell
- Gladys Mitchell
- Miyuki Miyabe
- Gwen Moffat
- Rick Mofina
- Christopher G. Moore
- David Morrell
- Mark Morris
- John Mortimer
- Patricia Moyes
- Marcia Muller
- Clare Munnings
- Margaret Murphy
- Susan Murphy-Milano (19??-2012)
Read more about this topic: List Of Crime Writers