|
| — M — |
| Amin Maalouf | K. W. MacAnn | Bonnie MacBird | Ralph Macchio | Gary D. MacClellan |
| John D MacDonald | William J. MacDonald | Antonio Machado | Norman L. Macht | Enrique Machuca |
| Sergio Macías García | R. W. Mackelworth | Howard Mackie | Edward Mackin | Sarah MacLean |
| Frank MacShane | John Madden | Tom Maddox | Elliot S! Maggin | Kevin Maguire |
| Doug Mahnke | Nicole Maines | Elisabeth Malartre | Alex Maleed | Massimiliano Malerba |
| George Malko | César Mallorquí | Roberto Malo | Thomas Malory | Barry N. Malzberg |
| David Mancera | Paco Mancera | Leonardo Manco | Tom Mandrake | James Mangold |
| Avro Manhattan | Doug Manhke | Joseph L. Mankiewicz | Anthony Mann | Pop Mann |
| Laurence Manning | Marcos Manrique | Bill Mantlo | Julio O. Manzo | José Ángel Mañas |
| Laura S. Maquilón | Santiago Marchese Flórez | Tomás Marco | Pablo Marcos | Óscar de Marcos Escriña |
| Marco Antonio Marcos Fernández | Christopher Marcus | Daniel Mares | Fernando Marías | Rafael Marín |
| Gloria Mark | Winston K. Marks | Louise Marley | Mans Marlind | Richard Marquand |
| Carlos Francisco Márquez Linares | Chris Marrinan | Sergio Mars | Blanca Mart | Bertil Martensson |
| María Antonia Martí Escayol | Félix Martí Ibáñez | Carlos Martí Mezquita | Cynthia Martin | Frank Martin |
| George R. R. Martin | Laura Martin | Patricia Martín | Miguel Martín Cruz | Javier Martín Lalanda |
| Luis Martín Santos | Santiago Martín Subirats | Shawn Martinbrough | A. V. Martinet | Abel Martínez |
| Blanca Martínez | Elviro Martínez | F. J. Martínez | Felicidad Martínez | Kenny Martínez |
| Layla Martínez | Manoli Martínez | Rodolfo Martínez | Sebastián Martínez | Ismael Martínez Biurrun |
| Carlos M. Martínez Bouquet | Carlos Martínez Córdoba | Ignacio Martínez de Pisón | Cristina Martínez García | José Martínez Moreno |
| Sergio Martínez Mourelle | Leslie H. Martinson | Andrew Marton | Javier Martos | Christy Marx |
| Groucho Marx | Ron Marz | José Marzán, Jr. | Luca Masali | John Masefield |
| Toshio Masuda | David Mateo | Alfonso Mateo-Sagasta | Carlos Mateos López | Miguel Matesanz |
| Richard Matheson | Jeff Matsuda | David Matusek | Robert Maxwell | Karl May |
| Iván Mayayo | Sheldon Mayer | Val Mayerik | Mike Mayhew | David Mazzucchelli |
| Bruce McAllister | Paul J. McAuley | Sally McBride | Anne McCaffrey | Dave McCaig |
| Roy L. McCardell | Leo McCarey | Cormac McCarthy | Ray McCarthy | Paul McCartney |
| Scott McCloud | Scott McDaniel | Jack McDevitt | Anson McDonald | Ian McDonald |
| Luke McDonnell | Ian McDowell | Dwayne McDuffie | Pat McEown | Seth McFarlane |
| Todd McFarlane | Stephen McFeely | McG | Don McGregor | Paul McGuigan |
| Edward McGuinnes | J. T. McIntosh | Will McIntosh | Vonda McIntyre | Dave McKean |
| Suzy McKee Charmas | Roger McKenzie | Patricia A. McKillip | Mike Mckone | Dean McLaughlin |
| Frank McLaughlin | Alistair McLean | Bob McLeod | Norman Z. McLeod | Mike McMahan |
| Shawn McManus | Christopher McQuarrie | James McTeigue | John McTiernan | Ángel Medina |
| Paco Medina | S. P. Meek | Ib Melchior | Paul Melko | Felipe Mellizo |
| Bard Meltzer | Herman Melville | David Mendaña | Sam Mendes | Magín Méndez Sanguos |
| Plinio Apuleyo Mendoza | José Ángel Menéndez Lucas | Arturo Mengotti | Guera Mengotti | Paul de Meo |
| A. J. Merak | Jesús Merino | José María Merino | Judith Merril | Abraham Merrit |
| Carlos Mesa | J. G. Mesa | William Messner-Loebs | Nicholas Meyer | Gustav Meyrink |
| Melisa Michaels | Gilbert Michel | David Michelinie | James A. Michener | Joshua Middleton |
| Gran Miehm | Alejandro Mier | China Mieville | Mike Mignola | Hernán Migoya |
| David Milch | Cecil B. de Mile | Al Milgron | John Milius | Mark Millar |
| Miles Millar | Frank Miller | George Miller | P. Schuyler Miller | Tim Miller |
| Walter M. Miller Jr. | Peter Milligan | Brian Mills | John Milton | Denise Mina |
| Vincente Minnelli | Teresa P. Mira de Echeverría | Alberto Miralles | Iván Miras | Javier Miró |
| Dan Mishkin | Margaret Mitchell | Laura J. Mixon | Manuel Miyares | Doug Moench |
| Steven Moffat | Judith Moffet | Moisés | Sheldon Moldoff | Manuel Moledo |
| Iván Molina Jiménez | Alfons Moliné | Shawn Moll | H. W. Mommers | Pedro Monje |
| Indro Montanelli | Amparo Montejano | Javier Montellano | José María Montells | Rosa Montero |
| Manuel Montes | Raúl Montes de Oca | Ricardo Montesinos | Ricardo Montesinos Valentín | Sandra Monteverde Ghuisolfi |
| Lauren Montgomery | Enrique Montiel de Arnaíz | Jim Mooney | Michael Moorcock | Alan Moore |
| Catherine L. Moore | John Francis Moore | Leah Moore | Michael Moore | Raylyn Moore |
| Robert Moore | Víctor Mora | Didac Morales | Rags Morales | Carla C. Moreno |
| Carmen Moreno | Fernando Ángel Moreno | Joaquín Moreno | Manuel Moreno Bellosillo | Sergio Moreno Montes |
| Silvia Moreno-García | Chris Morgan | Richard Morgan | Nieves Mories | Pete Morisi |
| Morris | Grant Morrison | James Morrow | William Chambers Morrow | John Mortimer |
| Win Mortimer | Jean-David Morvan | Pedro Antonio Moscatel Gómez | Sam Moskowitz | Jonathan Mostow |
| Erick J. Mota | Magdalena Moujan Otaño | Paul Mounts | Dennis Mourdoch | Manuel Moyano |
| Slawomir Mrozek | Russell Mulcahy | H. Warner Munn | Jorge Munnshe | Miguel Ángel Muñoz |
| Óscar Muñoz | Ramón Muñoz | Óscar Muñoz Caneiro | Julián Muñoz Carrasco | Vicente Muñoz Puelles |
| Juan Jacinto Muñoz Rengel | Pedro Muñoz Seca | Rafael Muñoz Vega | José Luis Muñoz Villar | Pat Murphy |
| Sean Murphy | William Murray | Andrés Muschietti | John Musker | Andrea Mutti |
| Mike Myers |
