| Republic City Hustle | August 9, 2013 | — | 3 |
| Requiem from the Darkness | October 2003 | — | — |
| Requiem of the Rose King | January 9, 2022 | — | 24 |
| Rerere no Tensai Bakabon | October 19, 1999 | TV Tokyo | 24 |
| RErideD: Derrida, who leaps through time | October 3, 2018 | — | 12 |
| Rescue Heroes | October 2, 1999 | CBS, Cartoon Network | 40 |
| Rescueman | February 1, 1980 | Fuji Television | 53 |
| Resident Evil: Infinite Darkness | July 8, 2021 | Netflix | — |
| Restaurant to Another World | July 4, 2017 | — | 24 |
| Restol, The Special Rescue Squad | — | — | 26 |
| Return of the Dinosaurs | October 1, 1976 | — | — |
| Return to the Planet of the Apes | September 6, 1975 | NBC | 13 |
| Revenger | January 5, 2023 | — | 12 |
| Revisioned: Tomb Raider | — | — | 10 |
| Revisions | January 10, 2019 | Netflix | — |
| Revolutionary Girl Utena | April 2, 1997 | TV Tokyo | 39 |
| Revue Starlight | July 12, 2018 | — | 12 |
| Rewrite | July 2, 2016 | — | 24 |
| RG Veda | June 1, 1991 | — | 2 |
| RGB Adventure | November 19, 2006 | — | 6 |
| Rhyme Time Town | 2020 | Netflix | 6 |
| Rhyme Time Town Singalongs | December 22, 2020 | Netflix | 10 |
| Ribbit's Riddles | 2005 | Canal+ | 52 |
| Rich Girl Caretaker | July 5, 2026 | — | 12 |
| Richie Rich | November 8, 1980 | Boomerang, American Broadcasting Company | 40 |
| Richie Rich | September 14, 1996 | Broadcast syndication | 13 |
| Rick & Steve: The Happiest Gay Couple in All the World | July 10, 2007 | Cartoon Network, Logo TV | 14 |
| Rick and Morty | December 2, 2013 | Adult Swim | 71 |
| Rick and Morty: The Anime | August 16, 2024 | — | 10 |
| Rick and Morty: The Non-Canonical Adventures | — | — | 36 |
| Rickety Rocket | September 1, 1979 | — | 16 |
| Ricky Sprocket: Showbiz Boy | August 31, 2007 | Télétoon | 25 |
| Ricky Zoom | June 28, 2019 | Nick Jr. | 26 |
| Ricochet Rabbit & Droop-a-Long | January 14, 1964 | Broadcast syndication | 23 |
| Riddle Story of Devil | April 3, 2014 | — | 12 |
| Rideback | March 29, 2009 | Chiba Television Broadcasting | 12 |
| Ridley Jones | July 13, 2021 | Netflix | — |
| Rifle Is Beautiful | October 13, 2019 | — | 12 |
| Rift | — | — | — |
| Right Now Kapow | September 19, 2016 | Disney XD | 10 |
| Rilakkuma and Kaoru | April 19, 2019 | Netflix | 13 |
| Rilakkuma's Theme Park Adventure | 2022 | Netflix | — |
| Rilu Rilu Fairilu | February 6, 2016 | — | — |
| Rimba Racer | December 25, 2014 | TV3 | — |
| Rimba's Island | June 27, 1994 | — | — |
| Rin-ne | April 4, 2015 | NHK Educational TV | 75 |
| Ring ni Kakero | October 6, 2004 | — | 36 |
| Ring Raiders | September 16, 1989 | — | 5 |
| Ringing Fate | — | Bilibili | — |
| Rinkai! | April 9, 2024 | — | 12 |
| Rinkan Club | April 29, 2011 | — | 4 |
| Rinshi!! Ekoda-chan | January 9, 2019 | — | 12 |
| Rintindumb | September 6, 2006 | France 3 | 76 |
| Rio: Rainbow Gate! | January 4, 2011 | — | — |
| Ripley's Believe It or Not!: The Animated Series | — | France 3 | 26 |
| Rise of the Teenage Mutant Ninja Turtles | July 20, 2018 | Nicktoons, Nickelodeon | 26 |
| Riseman | — | MBC TV | 26 |
| Rising Impact | June 22, 2024 | — | — |
| Rita and Whatsit | — | NHK | — |
| Rita og Krokodille | 2014 | — | 26 |