| Los Peques | July 2002 | Flow | 22 |
| Los Trotamúsicos | October 1, 1989 | La 1 | 26 |
| Lost in Oz | June 26, 2015 | Amazon Prime Video | 26 |
| Lost Ollie | August 24, 2022 | Netflix | — |
| Lotte's Journey South | — | — | — |
| Lou! | April 6, 2009 | M6 | 52 |
| Louie | October 25, 2006 | France 5 | 117 |
| Louie & Yoko: Build! | 2020 | France 3 | — |
| Loulou de Montmartre | — | France 3 | 26 |
| Loup | October 21, 2018 | TF1 | 156 |
| Love Between Fairy and Devil | June 21, 2022 | IQIYI | 24 |
| Love, Death & Robots | March 15, 2019 | Netflix | 26 |
| Lu & the Bally Bunch | March 17, 2023 | Cartoon Network, CBeebies, CBC Kids, RTÉ KIDSjr, HBO Max, Cartoonito, CBC Gem | 76 |
| Lucas Bros. Moving Co. | November 23, 2013 | Fox Broadcasting Company | 17 |
| Luchien | — | RTBF | 78 |
| Lucky Fred | November 1, 2011 | Disney Channel | 52 |
| Lucky Luke | 1983 | France Régions 3 | 26 |
| Lucy, the Daughter of the Devil | October 30, 2005 | Adult Swim, Cartoon Network | 11 |
| Ludwig | — | — | — |
| Lugar Heights | — | — | — |
| Lulu's Islands | October 5, 2009 | TF1 | 52 |
| Luna Petunia: Return to Amazia | February 2, 2018 | Netflix | — |
| Luo Bao Bei | — | — | 52 |
| Lupi & Baduki | June 17, 2024 | Discovery Kids | — |
| Lupin’s Tales | December 20, 2020 | France 5 | 78 |
| Lupo Alberto | 1997 | — | 104 |
| Lyla in the Loop | February 5, 2024 | PBS Kids | — |
| Lí Ban | — | TG4, Cúla4 | 13 |
| M.A.S.K. | September 16, 1985 | CBS, TF1 | 75 |
| M.O.D.O.K. | May 21, 2021 | Hulu | 10 |
| Maca & Roni | March 11, 2021 | KBS 2TV | 54 |
| Mad | September 6, 2010 | Cartoon Network | 103 |
| Mad Jack the Pirate | September 12, 1998 | Fox Broadcasting Company, Fox Kids | 13 |
| Madagascar: A Little Wild | September 7, 2020 | Hulu, Peacock | 45 |
| Madeline | September 12, 1993 | Freeform, Treehouse TV, ICI Radio-Canada Télé, France 3 | 59 |
| Mademoiselle Zazie | — | France 5 | 78 |
| Maggie and the Ferocious Beast | August 26, 2000 | Cartoon Network | 39 |
| Magi-Nation | September 8, 2007 | Rai 1, Rai 2, CBC Television, Rai Gulp, Boing | 52 |
| Magic Eye is Back | — | CCTV-14 Children | 624 |
| Magic Lantern | — | Carousel, Mult, Tlum HD | — |
| Magical Girl Friendship Squad | September 26, 2020 | Syfy | — |
| Magiki | — | — | — |
| Maisy | February 11, 1999 | CITV | 28 |
| Make Way for Noddy | September 2, 2002 | PBS, PBS Kids | 100 |
| Making Fiends | October 4, 2008 | Nicktoons | 6 |
| Malo Korrigan | — | M6 | 26 |
| Mama Mirabelle's Home Movies | September 8, 2007 | CBeebies | 104 |
| Mannetje & Mannetje | 1990 | VPRO | 12 |
| Manon | — | TiJi | 52 |
| Mansour | January 20, 2013 | — | 93 |
| Manster Mansion | — | EBS 1TV | 52 |
| Manu | March 3, 1990 | La Cinq | 104 |
| Mao Mao: Heroes of Pure Heart | July 1, 2019 | Cartoon Network | 40 |
| Marathon Prince | — | CCTV-14 Children | 52 |
| Marblegen | — | — | — |
| Marcelino Bread and Wine | August 29, 2001 | RAI, Grupo Televisa, TF1, Televisión Española | 78 |
| Marianna | — | — | — |
| Marias barn | December 1, 1987 | SVT1 | 24 |
| Marsupilami | September 18, 1993 | CBS | 29 |
| Martha Speaks | September 1, 2008 | PBS Kids, TVO Media Education Group | 96 |