| Jakers! The Adventures of Piggley Winks | September 7, 2003 | PBS, CBeebies, PBS Kids | 52 |
| Jam the HOUSENAIL | — | — | 15 |
| James Bond Jr. | September 16, 1991 | Broadcast syndication | 65 |
| Jamie and the Magic Torch | 1976 | ITV | 39 |
| Jamie's Got Tentacles | September 9, 2013 | France 3 | 157 |
| Jane | — | — | — |
| Jang Geum's Dream | October 29, 2005 | MBC TV | 52 |
| Janoschs Traumstunde | October 12, 1986 | Das Erste | 26 |
| Japan Sinks: 2020 | — | — | — |
| Jarinko Chie | October 3, 1981 | — | 64 |
| Jasper the Penguin | March 3, 2003 | KiKA, France 5 | 52 |
| Jayce and the Wheeled Warriors | September 9, 1985 | TF1 | 65 |
| Jeanie with the Light Brown Hair | October 15, 1992 | — | 52 |
| Jeannie | September 8, 1973 | CBS | 16 |
| Jefferson Anderson | February 17, 2007 | Yle TV2 | 64 |
| Jellabies | May 18, 1998 | Kindernet | 97 |
| Jelly Jamm | September 5, 2011 | Cartoonito, Clan | 78 |
| Jelly, Ben & Pogo | — | — | — |
| Jellyfish Can't Swim in the Night | April 7, 2024 | — | 12 |
| Jellystone! | July 29, 2021 | HBO Max | 30 |
| Jem | October 6, 1985 | Broadcast syndication | 65 |
| Jentry Chau vs. The Underworld | December 5, 2024 | — | 13 |
| Jerzy and Petruccio | March 11, 2005 | — | 37 |
| Jessica's Big Little World | October 2, 2023 | Cartoon Network, Cartoonito | 20 |
| Jet Groove | April 21, 2007 | France 2 | 26 |
| Jetter Mars | February 3, 1977 | — | 27 |
| Jewelpet | April 5, 2009 | TV Tokyo | 52 |
| Jewelpet Twinkle | April 3, 2010 | — | 52 |
| Jewelpet: Magical Change | April 5, 2009 | — | 39 |
| Jibaku-kun: Twelve Worlds Story | October 5, 1999 | — | 26 |
| Jibber Jabber | September 3, 2007 | YTV | 26 |
| Jigoku Sensei Nūbē | April 13, 1996 | Animax | 49 |
| Jigoku Sensei Nūbē | June 12, 1998 | — | — |
| Jigoku Sensei Nūbē | July 2, 2025 | — | — |
| Jim and Judy in Teleland | September 1949 | — | 52 |
| Jim Button | August 26, 1999 | KiKA | 52 |
| Jim Button and Luke the Engine Driver | October 4, 1974 | MBS | — |
| Jim Henson's Muppet Babies | September 15, 1984 | CBS | 107 |
| Jimbo and the Jet Set | January 6, 1986 | BBC One | 25 |
| Jimmy Neutron: Boy Genius Shorts | — | Nickelodeon | 12 |
| Jimmy Two-Shoes | February 13, 2009 | Télétoon, Disney XD | 52 |
| Jimoto Saiko! | — | — | — |
| Jin Jin and the Panda Patrol | 1994 | — | 26 |
| Jing: King of Bandits | May 15, 2002 | NHK Satellite 2 Television | 16 |
| Jingai-san no Yome | October 2, 2018 | — | 12 |
| Jingi | — | — | — |
| Jinki: Extend | January 5, 2005 | TV Asahi | 13 |
| Jinsei | July 6, 2014 | — | 13 |
| JK-Meshi! | October 6, 2015 | Tokyo MX | 26 |
| Jo Kilat | January 30, 1998 | MediaCorp Suria | 13 |
| Jobi's Room | — | TV Rá-Tim-Bum | 26 |
| Jodie | — | Comedy Central | — |
| Joe the Little Boom Boom | December 1960 | Office de radiodiffusion télévision française | 13 |
| John Dillermand | 2021 | DR Ramasjang | — |
| Johnny Bravo | July 7, 1997 | Cartoon Network | 65 |
| Johnny Cypher in Dimension Zero | October 21, 1968 | Broadcast syndication | 131 |
| Johnny Test | September 17, 2005 | The CW, Cartoon Network, The WB, Cartoon Network, CITV | 117 |
| JoJo's Bizarre Adventure | November 19, 1993 | — | 13 |
| JoJo's Bizarre Adventure | October 6, 2012 | — | — |
| JoJo's Circus | September 28, 2003 | Disney Channel | 59 |