| Mario Angelo | | 1977 | plot, script | | 1 |
| Mario Bozzi Sentieri | | 2000 | plot, script | | 1 |
| Mario Feracina | | 2025 | ink | | 1 |
| Mario Lamarchia | | 1935 | pencils, ink | | 1 |
 | Mario Monicelli | Italy | 1996 | plot | | 1 |
| Mario Schifano | | 2005 | pencils, ink | | 1 |
| Marion L. Peterson | | 1967 | plot, script | | 1 |
| Marion Schütz | | 2021 | plot, script | | 1 |
| Marita Suontausta | | 2011 | plot, script | | 1 |
| Marja Knut | | 2014 | plot, script | | 1 |
 | Mark Badger | United States | 1995 | pencils, ink | | 1 |
| Mark Bagley | | 2025 | pencils, ink | | 1 |
| Mark Cooper | United States | 2010 | script | | 1 |
| Mark Davis | | 2016 | pencils, ink | | 1 |
| Mark Hempel | | 1997 | pencils, ink | | 1 |
| Mark Salisbury | | 2009 | plot, script | | 1 |
| Mark Schirmer | | 2009 | plot, script | | 1 |
| Markku Helismaa | | 2001 | plot, script | | 1 |
| Markku Herd | | 2014 | plot, script | | 1 |
| Markku Kaustia | | 2010 | plot, script | | 1 |
| Markku Löytönen | | 2008 | plot, script | | 1 |
| Marko Ahonen | | 2010 | plot, script | | 1 |
| Marko Turunen | | 2000 | plot, script, pencils, ink | | 1 |
| Markus Gaupås Johansen | | 2018 | plot, script | | 1 |
| Markus Luther | | 1995 | pencils, ink | | 1 |
| Markus Majaluoma | | 2010 | plot, script, pencils, ink | | 1 |
| Markus Metz | | 1997 | plot, script | | 1 |
| Markus Miettinen | | 2003 | plot, script | | 1 |
| Markus Still | | 2021 | plot, script, pencils, ink | | 1 |
| Mart Nodell | | 2000 | plot, script | | 1 |
| Marthe Andersen | | 2014 | plot, script | | 1 |
| Martijn de Graaff | | 2025 | plot, script | | 1 |
| Martin Wimmel | | 1979 | plot, script | | 1 |
| Martin Altmann | | 2013 | plot, script | | 1 |
| Martin Lodewijk | | 2014 | plot, script | | 1 |
 | Martin Olson | United States | 2011 | plot, script | | 1 |
| Martin Otto | | 2003 | plot, script | | 1 |
| Martin Peters | | 1995 | plot, script | | 1 |
| Martin S. Gans | | 1984 | plot, script | | 1 |
| Martin Scholz | | 2026 | plot, script | | 1 |
| Martin Surmann | | 2005 | plot, script | | 1 |
| Martin Veyron | | 1994 | plot, script, pencils, ink | | 1 |
| Martin Weinreich | | 2002 | plot, script | | 1 |
| Martine Berthelemy | | 1954 | pencils, ink | | 1 |
| Martti Syrjä | | 2011 | plot, script | | 1 |
| Marty Sklar | | 2012 | plot, script | | 1 |
| Mary L. Hilt | | 1962 | plot, script | | 1 |
| Maryline Letertre | | 2023 | plot, script | | 1 |
| Maryse Berdah | France | 1997 | plot, script | | 1 |
| Marzia Alessandri | | 1996 | plot, script | | 1 |
| Marío Angelo | | 1981 | plot, script | | 1 |
| Masashi Tanaka | | 1998 | pencils, ink | | 1 |
| Masha Chernova | | 2003 | pencils, ink | | 1 |
| Masimo Galletti | | 2000 | plot, script | | 1 |
| Massimo Albini | Italy | 1992 | pencils, ink | | 1 |
| Massimo Brega | | 1996 | plot, script | | 1 |
| Massimo Cavezzali | | 1981 | plot, script | | 1 |
| Massimo Costa | | 2008 | plot, script | | 1 |
| Massimo Goina | | 1999 | pencils, ink | | 1 |
| Massimo Gramellini | | 2021 | plot, script | | 1 |