R1
RO
- R.O.D: Read or Die
- R.O.D: The TV
- Ro-Kyu-Bu!
- Ro-Kyu-Bu! SS
- RobiHachi
- Robotics;Notes
- Rokka no Yuusha
- Rokudenashi Majutsu Koushi to Akashic Records
- Rokudou no Onna-tachi
- Rokuhou-dou Yotsuiro Biyori
- Rokujouma no Shinryakusha!?
- Rolling☆Girls
- Romantic Killer
- Romeo no Aoi Sora
- Romeo x Juliet
- Rosario to Vampire
- Rosario to Vampire Capu2
- Rougo ni Sonaete Isekai de 8-manmai no Kinka wo Tamemasu
- Roujin Z
- Rozen Maiden
- Rozen Maiden (2013)
- Rozen Maiden: Ouvertüre
- Rozen Maiden: Träumend
RA
- Radiant
- Radiant 2nd Season
- Ragnarök The Animation
- RahXephon
- Rail Romanesque
- Rail Wars!
- Rain Town
- Rainbow: Nisha Rokubou no Shichinin
- Rakudai Kishi no Cavalry
- Rakuen Tsuihou
- Ramen Daisuki Koizumi-san
- Ran->Sem: Hakudaku Delmo Tsuma no Miira Tori
- Rance 01: Hikari wo Motomete The Animation
- Ranma ½
- Ranpo Kitan: Game of Laplace
- Ray The Animation
RE
- Re-Kan!
- Re-Main
- Re: Cutey Honey
- Re:Creators
- Re:Zero kara Hajimeru Isekai Seikatsu
- Re:Zero kara Hajimeru Isekai Seikatsu - Hyouketsu no Kizuna
- Re:Zero kara Hajimeru Isekai Seikatsu - Memory Snow
- Re:Zero kara Hajimeru Isekai Seikatsu 2nd Season
- Re:Zero kara Hajimeru Isekai Seikatsu 2nd Season Part 2
- Re:␣Hamatora
- Recorder to Randoseru Do♪
- Red Garden
- Redline
- Rekka no Honoo
- Release the Spyce
- ReLIFE
- ReLIFE: Kanketsu-hen
- Renai Flops
- Renkin San-kyuu Magical? Pokaan
- Renmei Kuugun Koukuu Mahou Ongakutai Luminous Witches
- Rental Magica
- RErideD: Tokigoe no Derrida
- Rescue Me!
- Revenger
- Revisions
- Rewrite
- Rewrite 2nd Season
RI
RU