Saiyuki: Requiem or Gensomaden Saiyuki: Requiem - For the One Not Chosen (劇場版 幻想魔伝最遊記 Requiem 選ばれざる者への鎮魂歌, Gekijouban Gensou Maden Saiyuuki: Requiem - Erabarezaru Mono e no Chinkonka) is the first animated film adaptation of the anime and manga series Saiyuki, produced by Pierrot. The events of the film take place after the first series. On the way west, the priest Genjo Sanzo and his three demonic companions, Son Goku, Sha Gojyo, and Cho Hakkai, save a girl who is being chased by a giant bird. Out of gratitude, she invites them to her house and provides them with food and shelter. Once there, strange things began to happen.

The film is directed by Hayato Date, written by Katsuyuki Sumisawa, and composed by Motoi Sakuraba. The film was first released in Japanese theaters on August 18, 2001. In July 2004, ADV Films licensed Saiyuki: Requiem in North America, which was released on DVD in January 2005. In Australasia, a DVD called Saiyuki: Requiem - The Movie was released on May 17, 2006, by Madman Entertainment. The movie is licensed in France by Kazé, which released two DVDs in June 2005 and January 2006.

The ending theme performed by Tetsu 69 is "Tightrope".