| Ron Kamonohashi | October 2, 2023 | — | 26 |
| Ronin Warriors | April 30, 1988 | — | 39 |
| Ronja, the Robber's Daughter | October 11, 2014 | NHK BS Premium | 26 |
| Roobarb | October 21, 1974 | BBC One, Boomerang, Channel 5 | 30 |
| Room Camp | January 6, 2020 | — | — |
| Room Mate | April 12, 2017 | — | — |
| Room of Guilty Pleasure | — | — | — |
| Rooster Fighter | March 15, 2026 | — | 12 |
| Roppo Yabure-kun | April 28, 1969 | — | — |
| Rosario + Vampire | January 3, 2008 | — | 26 |
| Rosie's Rules | October 3, 2022 | PBS | — |
| Roughnecks: Starship Troopers Chronicles | August 30, 1999 | Broadcast syndication | 36 |
| Roy | July 1, 2009 | — | 52 |
| Royal Crackers | April 2, 2023 | Adult Swim | 20 |
| Royal Prep Academy | — | Disney Jr., Disney+ | — |
| Rozen Maiden | October 7, 2004 | — | 24 |
| Rozen Maiden: Zurückspulen | July 5, 2013 | TBS Television | 13 |
| RPG Densetsu Hepoi | October 6, 1990 | — | 50 |
| RPG Real Estate | April 6, 2022 | — | 12 |
| Rubble & Crew | January 29, 2023 | — | 40 |
| Ruby Gloom | October 13, 2006 | YTV | 40 |
| Rude Dog and the Dweebs | September 16, 1989 | CBS | 13 |
| Ruff-Ruff, Tweet and Dave | February 14, 2015 | CBeebies, Universal Kids | 104 |
| Rugrats | August 11, 1991 | Nickelodeon | 172 |
| Rugrats | May 27, 2021 | Paramount+ | 24 |
| Rugrats Pre-School Daze | January 1, 2006 | Nickelodeon | 4 |
| Rumble Garanndoll | October 11, 2021 | — | 12 |
| Rumbling Hearts | October 5, 2003 | — | 14 |
| Rumic Theater | July 5, 2003 | TV Tokyo | 13 |
| Run for Money: The Great Mission | April 2, 2023 | Fuji Television | 97 |
| Run with the Wind | October 2, 2018 | — | 23 |
| Run=Dim | April 1, 2001 | TV Tokyo | — |
| Rune Soldier | April 3, 2001 | WOWOW | 24 |
| Runes | December 17, 2022 | Canal+ | 26 |
| Rupert | September 7, 1991 | YTV | 65 |
| Rupert and Sam | — | — | 26 |
| Rupert Bear, Follow the Magic... | November 8, 2006 | — | 52 |
| Ruri Rocks | July 6, 2025 | — | 13 |
| RuriDragon | — | — | — |
| Rurouni Kenshin | January 10, 1996 | Fuji Television | 94 |
| Rurouni Kenshin | July 7, 2023 | — | — |
| Rurouni Kenshin: Trust & Betrayal | February 20, 1999 | — | 4 |
| Rusty Rivets | November 8, 2016 | Treehouse TV | 78 |
| Ruy, the Little Cid | October 5, 1980 | Televisión Española | 26 |
| RWBY | July 18, 2013 | — | 43 |
| RWBY: Ice Queendom | July 3, 2022 | — | 12 |
| S-CRY-ed | July 4, 2001 | — | 26 |
| S-Rank Bōken-sha de Aru Ore no Musume-tachi wa Jūdo no Fathercon deshita | — | — | — |
| S.O.S Fada Manu | — | Discovery Kids | — |
| S.O.S. Croco! | 1997 | TF1 | 65 |
| Sabagebu! | July 6, 2014 | — | 12 |
| Saban's Adventures of Oliver Twist | February 1, 1996 | — | 52 |
| Saban's Around the World in Eighty Dreams | November 13, 1992 | Canal+ | 26 |
| Saban’s Gulliver’s Travels | September 8, 1992 | Broadcast syndication | 26 |
| Saber Marionette J | October 1, 1996 | — | — |
| Saber Marionette J Again | November 25, 1997 | — | 6 |
| Saber Marionette J to X | October 1, 1996 | — | — |
| Saber Marionette R | May 24, 1995 | — | 3 |
| Saber Rider and the Star Sheriffs | September 14, 1987 | Broadcast syndication | 52 |
| Sabikui Bisco | January 11, 2022 | — | 12 |