Books Series Beginning with R
- Robot Girls Z
- Robotics; Notes
- Rock and Read
- Rock Jet
- Rocket Girls
- Rockin'on Japan
- Rogo ni Sonaete Isekai de 8 Man Mai no Kinka wo Tamemasu
- Rokemitsu
- Rokka no Yusha
- Rokudenashi Blues
- Rokudenashi Majutsu Koshi to Kinki Kyoten(Akashic Records)
- Rokudo no Onna-tachi
- Rokuhodo yotsuiro biyori
- Roma-jin no Monogatari
- Romantic Killer
- ROMEO AND THE BLACK BROTHERS
- Romeo x Juliet
- Romes
- Ron Kamonohashi: Deranged Detective
- Ronia, the Robber's Daughter
- Rookies
- Room Laundering
- Roosevelt Game
- Rosario + Vampire
- Rotte no Omocha
- Rove
- Royal Space Force - The Wings of Honneamise
- Rozen Maiden
- RPG Fudosan
- Rryusei no Kizuna
- Rugby
- Rumble Fish
- Rumi chan no jisho
- Rune Princess
- Runway De Waratte
- Rurouni Kenshin
- Rusted Armors
- RuTiLe Series
- Rwby
- Ryman's Club
- Ryoki Hanzai Sosa Han Todo Hinako
- Ryoko's Case File (Yakushiji Ryoko no Kaiki Jikenbo)
- Ryomaden
- Ryu & Dr. Series
- Ryu ga Gotoku
- Ryujin Mabuya
- Ryuo no Oshigoto!
- Ryusei Wagon
- Ryushika, Ryushika
- The reason I can't find my love
- The reason She went to The Duke'S Mansion
- The Red Turtle
- The Reflection Wave One
- The Robinson Family Lost At Sea (Flone of the Marvelous Island)
- The Rolling Girls
- The Rose of Versailles (Versailles no Bara) Lady Oscar