Kamen Rider W Returns (仮面ライダーＷ(ダブル)Returns, Kamen Raidā Daburu Ritānzu) is a set of two V-Cinema (direct-to-video) releases that serve as spin-offs for characters from the Kamen Rider W television series and films. These films focus on the characters of Ryu Terui / Kamen Rider Accel (Minehiro Kinomoto) and Katsumi Daido / Kamen Rider Eternal (Mitsuru Matsuoka), though the series' main characters Shotaro Hidari (Renn Kiriyama), Philip (Masaki Suda), and Akiko Narumi (Hikaru Yamamoto) also make appearances. Koichi Sakamoto directs both films, with Keiichi Hasegawa writing Kamen Rider Accel and Riku Sanjo writing Kamen Rider Eternal.

Kamen Rider Accel (仮面ライダーアクセル, Kamen Raidā Akuseru) sees the titular character protecting a young thief from Hiroshi Sagami a corrupt member of the Fuuto Police Department, while also tackling life as a newlywed. This film was released on April 21, 2011. Kamen Rider Eternal (仮面ライダーエターナル, Kamen Raidā Etānaru) sees the mercenary group NEVER stumbling onto a Foundation X plot involving psychic super-soldiers. This film was released on July 21, 2011.