Manga Series Beginning with R
- A Tale of the Secret Saint
- Chivalry of a Failed Knight
- Invaders of the Rokujouma!?
- LAIDBACKERS
- Nanana's Buried Treasure
- R-15
- R.O.D
- RADIANT
- Radiation House
- Ragna Crimson
- RAHXEPHON
- Rail Wars!
- Railway and Train
- Rainbow Nisyarokubou no 7nin
- Raise de wa Chanto Shimasu
- Rakuen no Uta
- Rakuen Tsuiho
- Rakugo Tennyo Oyui
- Ramen Aka Neko
- Ramen daisuki Koizumi san
- Range Murata
- Ranma 1/2
- Ranpo Kitan Game of Laplace
- Rasen no Meikyu - Idenshi sousa -
- Ray The Animation
- RD Senno Chosa Shitsu
- Rdg Red Data Girl
- Re-Kan!
- Re:CREATORS
- Re:Monster
- Re:Stage!
- Re:Zero
- Real Clothes
- Rean-wings
- Reborn as a Space Mercenary: I Woke Up Pilot the Strongest Starship!
- Reborn as a Vending Machine, I Now Wander the Dungeon
- Reborn to Master the Blade: From Hero-King to Extraordinary Squire
- REC
- Record Collectors
- Record of Lodoss War
- Record of Ragnarok (Shumatsu No Valkyrie)
- Recorder to Randoseru
- Red Garden
- Red River (Sora wa Akai Kawa no Hotori)
- Reideen
- Reign of the Seven Spellblades
- Reijin/Qpa Series
- Reincarnated as a Dragon Hatchling
- Reincarnated as a Sword
- Reino Ryokusha Odagiri Kyoko no Uso
- RELEASE THE SPYCE
- ReLIFE
- Renai Boukun
- Renai Catalog
- Rental Magica
- Requiem of the Rose King
- Resident Evil (Biohazard)
- REVENGER
- Reverse Edge Okawahashi Tantei Sha
- revisions
- Rewrite
- Ribbon
- Rich Girl Caretaker
- Rideback
- Rifle is Beautiful
- Rikei Danshi.
- Rikei ga koi ni ochitanode shomei shitemita.
- Rilakkuma
- Ring ni Kakero
- Ring Series
- Rinne no Lagrange
- Rinshi!! Ekoda-chan
- Rinsho Hanzai Gakusha Himura Hideo
- Rising Impact
- Ristorante Paradiso
- Ro Kyu Bu!
- Robot Girls Z
- Robotics; Notes
- Rock wa Shukujo no Tashinami de Shite
- Rocket Girls
- Rogo ni Sonaete Isekai de 8 Man Mai no Kinka wo Tamemasu
- Rokka no Yusha
- Rokudenashi Blues
- Rokudenashi Majutsu Koshi to Kinki Kyoten(Akashic Records)
- Rokudo no Onna-tachi
- Rokuhodo yotsuiro biyori
- Roll Over and Die: I Will Fight for an Ordinary Life with My Love and Cursed Sword!
- Romantic Killer
- Romelia War Chronicle: The Count's Daughter Rallies an Army in the Wake of Mankind's Victory
- Romeo x Juliet
- Ron Kamonohashi: Deranged Detective
- Rookies
- Room Laundering
- Rooster Fighter (Niwatori Fighter)
- Rosario + Vampire
- Rotte no Omocha
- Rozen Maiden
- RPG Fudosan
- Rugby
- Rumi chan no jisho