| Midnight Horror School | October 2, 2003 | — | — |
| Midnight Occult Civil Servants | April 7, 2019 | — | 12 |
| Midnight Panther | August 25, 1998 | — | 2 |
| Midnight Patrol: Adventures in the Dream Zone | September 1, 1990 | British Broadcasting Corporation | 13 |
| Midori Days | April 4, 2004 | — | 13 |
| Midori no Makibaō | March 9, 1996 | Fuji Television | — |
| Mieruko-chan | October 3, 2021 | — | 12 |
| Miffy and Friends | April 7, 2002 | Katholieke Radio Omroep | 80 |
| Miffy's Adventures Big and Small | October 2, 2015 | Katholieke Radio Omroep | 52 |
| Mighty Cat Masked Niyandar | February 6, 2000 | — | 83 |
| Mighty Ducks | September 6, 1996 | American Broadcasting Company | 26 |
| Mighty Little Bheem: Kite Festival | 2021 | Netflix | — |
| Mighty Magiswords | September 29, 2016 | Cartoon Network | 92 |
| Mighty Man and Yukk | — | — | — |
| Mighty Max | September 12, 1993 | Broadcast syndication | 40 |
| Mighty Mouse: The New Adventures | September 19, 1987 | CBS | 19 |
| Mighty Orbots | — | — | — |
| Mighty Space Miners | November 11, 1994 | — | 2 |
| Migi & Dali | October 2, 2023 | — | 13 |
| Mikagura School Suite | April 6, 2015 | — | 12 |
| Mikagura Tanteidan | March 26, 2004 | — | 3 |
| Mikan Enikki | October 16, 1992 | — | 31 |
| Mike Judge Presents: Tales from the Tour Bus | September 22, 2017 | Cinemax | 16 |
| Mike the Knight | September 8, 2011 | Treehouse TV | 128 |
| Mike Tyson Mysteries | October 27, 2014 | Adult Swim, Cartoon Network | 30 |
| Mike, Lu & Og | November 12, 1999 | Cartoon Network | 26 |
| Mikrobi | January 4, 1976 | — | 13 |
| Milk Money | April 9, 2004 | — | 2 |
| Milky Subway: The Galactic Limited Express | July 3, 2025 | Tokyo MX | — |
| Millennium Family | — | — | — |
| Million Doll | July 6, 2015 | — | 12 |
| Milly, Molly | 2006 | — | 26 |
| Milo | 2003 | France 5 | — |
| Milo | 2021 | — | — |
| Milo Murphy's Law | October 3, 2016 | Disney XD | 35 |
| Milpom | — | — | — |
| Mina and the Count | November 5, 1995 | Nickelodeon, Cartoon Network | 6 |
| Minami Kamakura High School Girls Cycling Club | January 6, 2017 | — | 12 |
| Minami-ke | October 7, 2007 | — | 13 |
| Minami-ke: Korekara | April 2027 | — | — |
| Minami-ke: Okaeri | January 4, 2009 | — | 13 |
| Minami-ke: Okawari | January 6, 2008 | — | 13 |
| Minami-ke: Tadaima | January 5, 2013 | — | 13 |
| Minecraft | — | Netflix | — |
| Minecraft Mini-Series | — | — | — |
| Mini Beat Power Rockers | August 28, 2017 | Discovery Kids | — |
| Mini Hama: Minimum Hamatora | November 2, 2015 | — | 8 |
| Mini Ninjas | March 21, 2015 | TF1 | 104 |
| Mini Vanguard | April 6, 2013 | BS TV Tokyo | — |
| Mini-Jon and Mini-Maple | — | Canadian Broadcasting Corporation, ICI Radio-Canada Télé | 104 |
| Miniforce | — | Korea Educational Broadcasting System | — |
| Minna Atsumare! Falcom Gakuen | January 5, 2014 | — | 26 |
| Minnie's Bow-Toon's: Party Palace Pals | April 5, 2021 | Disney Jr. | — |
| Minnie's Bow-Toons | November 14, 2011 | Disney Channel, Disney Jr. | 40 |
| Minoriteam | March 19, 2006 | Adult Swim | 19 |
| Minuscule | October 18, 2006 | Disney Channel, France 2, MBC 2, JeemTV | 78 |
| Mio Mao | 1974 | Rai 1 | 78 |
| Mira, Royal Detective | March 20, 2020 | Disney Jr. | 54 |
| Miracle Girl Limit-chan | October 1, 1973 | TV Asahi | 25 |
| Miracle Girls | January 8, 1993 | — | 51 |