Rurouni Kenshin: The Final (Japanese: るろうに剣心 最終章 The Final, Hepburn: Rurouni Kenshin: Saishūshō – Za Fainaru) is a 2021 Japanese jidaigeki action film film based on the Rurouni Kenshin manga series by Nobuhiro Watsuki, andserving as the fourth installment of the Rurouni Kenshin film series following Rurouni Kenshin: The Legend Ends (2014). The film adapts the manga series' final arc, though some story elements differ. Like the previous entries, it was directed and written by Keishi Otomo.

The movie features the talents of Takeru Satoh, Emi Takei, Mackenyu Arata, Yusuke Iseya, Munetaka Aoki, Yū Aoi, Tao Tsuchiya, Ryunosuke Kamiki, Yōsuke Eguchi and Kasumi Arimura. The movie focuses on the Shanghai mafia leader Yukishiro Enishi as he arranges multiple terrorist attacks to torment the former assassin Himura Kenshin as a revenge for killing his sister Yukishiro Tomoe during the Bakumatsu period. This leads to the eventual confrontation between the two lead and their allies.

Rurouni Kenshin: The Final was released in Japan on April 23, 2021, by Warner Bros. Pictures Japan, and released later internationally on Netflix. It received positive reviews from critics. The film was produced simultaneously alongside the film series' fifth and final installment Rurouni Kenshin: The Beginning, a prequel whose footage is used in flashback scenes in The Final, which released two months later.