| Magnus Carlsson | screenwriter, animator, cartoonist, film director | 1 |
| Magnus Fiennes | composer, record producer, songwriter, film score composer | 1 |
| Mamoru Oshii | screenwriter, writer, playwright, animator, television director, film director, director, novelist | 1 |
| Mao Ni | writer, novelist, online writer, science fiction writer | 2 |
| Marc Boutavant | writer, illustrator, comics artist, children's writer, picture book writer | 1 |
| Marc Brown | author, illustrator, executive producer, children's writer | 1 |
| Marc du Pontavice | animator, television producer, film producer | 1 |
| Marc Richards | association football player | 1 |
| Marco Beretta | university teacher, historian of science | 1 |
| Margret Rey | astronomer, writer, illustrator, painter, children's writer | 1 |
| Mariana Caltabiano | screenwriter, writer, film director | 2 |
| Marie-France Brière | screenwriter, film director, film producer | 1 |
| Marik Roeder | animator, author, dub actor, YouTuber, young adult author | 2 |
| Mark Baker | screenwriter, animator, film director, director | 1 |
| Mark Cullen | screenwriter, actor, television producer, film director, film producer | 1 |
| Mark Dindal | screenwriter, television director, voice actor, film director, storyboard artist, special effects artist, effects animator | 1 |
| Mark Gravas | writer, animator, film director | 1 |
| Mark Hentemann | screenwriter, writer, television producer, voice actor | 1 |
| Mark Levin | screenwriter, television producer, film director | 1 |
| Mark Little | actor, comedian, television actor | 1 |
| Mark McCorkle | screenwriter, television producer, casting director, executive producer | 1 |
| Mars Gravity | online writer | 1 |
| Martellus Bennett | basketball player, American football player | 1 |
| Martin Handford | writer, illustrator, children's writer | 1 |
| Martin Kratt | screenwriter, actor, zoologist, documentary filmmaker, television director, voice actor, television actor, film actor | 1 |
| Martin-Jan van Santen | screenwriter, animator, illustrator, painter, cartoonist, television director, voice actor | 1 |
| Martín Paredes | screenwriter, animator, animation director, YouTuber | 1 |
| Mary Tourtel | writer, poet, illustrator, comics artist, cartoonist, comics writer, draftsperson | 1 |
| Masaaki Yuasa | screenwriter, animator, character designer, film director, director | 1 |
| Masaki Tsuzuki | screenwriter, mangaka, illustrator | 1 |
| Masamune Shirow | mangaka, animator, comics artist | 2 |
| Masao | mangaka, illustrator | 1 |
| Mathilde Domecq | illustrator, comics artist, comics writer, penciller | 1 |
| Matt Braly | screenwriter, animator, television producer, television director, voice actor, storyboard artist | 1 |
| Matt Groening | screenwriter, actor, animator, author, television producer, comics artist, voice actor, film producer | 3 |
| Matt Harrigan | screenwriter, composer, television producer, television director, voice actor, film producer, television actor | 2 |
| Matt Maiellaro | screenwriter, writer, television producer, musician, guitarist, film score composer, voice actor, film director | 3 |
| Matt Silverstein | screenwriter | 1 |
| Matt Stone | screenwriter, actor, animator, singer-songwriter, television producer, lyricist, film producer, director | 1 |
| Matt Weitzman | screenwriter, actor, animator, voice actor | 1 |
| Matthew Carlson | screenwriter, television producer, television director, film producer, film screenwriter, television writer | 1 |
| Matthew Senreich | screenwriter, television producer, showrunner, journalist, television director | 2 |
| Matthieu Delaporte | screenwriter, actor, playwright, film director, film producer | 1 |
| Maurice Maréchal | comics artist, secondary school teacher | 1 |
| Maurice Sendak | screenwriter, writer, stage painter, painter, cartoonist, graphic artist, director, picture book writer | 1 |
| Max Gilardi | animator, television producer, voice actor, podcaster, YouTuber | 1 |
| Max Keane | animator, executive producer | 1 |
| Max Simonet | screenwriter, television producer, television presenter, voice actor | 1 |
| Maxwell Atoms | screenwriter, animator, filmmaker, television director, voice actor, film director, film producer, storyboard artist | 3 |
| Megan Nicole Dong | animator, showrunner, television director, voice actor, film director, storyboard artist, television actor, film actor | 1 |
| Mel Brooks | military officer, playwright, cinematographer, filmmaker, theatrical producer, stage actor, television actor, film actor | 1 |
| Mi Er | comics artist, manhuajia, comics writer, comics creator | 1 |
| Mic Graves | writer, animation director, voice actor, director, producer | 1 |
| Michael Bond | screenwriter, writer, cinematographer, camera operator, founder, children's writer, autobiographer | 1 |
| Michael Cole | screenwriter, author, children's writer | 1 |
| Michael Cusack | screenwriter, composer, animator, film director, film producer, film editor, film screenwriter, television writer | 2 |
| Michael Dante DiMartino | screenwriter, animator, television producer, executive producer, television director, film director, film producer, comics writer | 4 |
| Michael Ende | writer, poet, musician, Liedermacher, director, children's writer, fantasy author, librettist | 1 |
| Michael Green | screenwriter, author, television producer, film producer, manufacturer | 1 |
| Michael Hegner | screenwriter, film director, director | 1 |
| Michael Jelenic | screenwriter, animator, television producer, lyricist, film director, film producer, storyboard artist, film screenwriter | 1 |
| Michael Maltese | screenwriter, actor, animator, storyboard artist | 1 |
| Michael Ouweleen | screenwriter | 2 |
| Michael Paraskevas | writer | 1 |
| Michael Price | screenwriter, television producer | 1 |
| Michael Schaack | film director, film producer, director | 1 |
| Michael Uslan | screenwriter, writer, executive producer, filmmaker, film producer | 1 |
| Michel Ocelot | screenwriter, animator, painter, filmmaker, film director, director, manufacturer | 3 |
| Mike Barker | screenwriter, animator, voice actor, film producer | 1 |
| Mike Henry | screenwriter, actor, singer, comedian, television producer, voice actor, film producer, television actor | 1 |
| Mike Jones | screenwriter, journalist, television director, film producer, film screenwriter | 1 |
| Mike Judge | screenwriter, actor, composer, animator, television producer, bassist, film producer, director | 4 |
| Mike Lazzo | screenwriter, television producer, executive producer | 2 |
| Mike McMahan | screenwriter, writer, television producer, executive producer, Trekkie, story editor, supervising producer | 2 |
| Mike Peters | illustrator, comics artist, journalist, caricaturist | 1 |
| Mike Pitts | — | 1 |
| Mike Reiss | screenwriter, writer, television producer, children's writer, television writer | 2 |
| Mike Scully | screenwriter, television producer, film producer | 1 |
| Mike Young | businessperson, television producer | 3 |
| Min Song-a | writer, comics artist, manhwaga, comics creator | 2 |
| Mindy Kaling | screenwriter, actor, comedian, showrunner, voice actor, film director, television actor, film actor | 1 |
| Miquel Pujol i Lozano | screenwriter, animator, film director | 1 |
| Mitch Schauer | screenwriter, animator, television producer, television director, film director, storyboard artist | 1 |
| Mitsuteru Yokoyama | screenwriter, mangaka, draftsperson | 1 |
| Mo Willems | screenwriter, writer, animator, illustrator, film director, caricaturist, children's writer, picture book writer | 2 |
| Mo Xiang Tong Xiu | writer, novelist, online writer | 3 |
| Monteiro Lobato | writer, translator, journalist, publisher, children's writer, novelist, non-fiction writer, science fiction writer | 1 |
| Monty Oum | screenwriter, animator, television producer, voice actor, choreographer | 2 |
| Moribi Murano | mangaka, animator, comics artist, director | 1 |
| Mort Walker | comics artist, cartoonist, comics writer | 1 |
| Mélanie Watt | writer, illustrator, children's writer | 1 |