My Hero Academia: World Heroes' Mission (Japanese: 僕のヒーローアカデミア THE MOVIE ワールド ヒーローズ ミッション, Hepburn: Boku no Hīrō Akademia za Mūbī: Wārudo Hīrōzu Misshon) is a 2021 Japanese animated superhero film based on an original story featuring the characters of My Hero Academia manga series by Kōhei Horikoshi. Produced by Bones and distributed by Toho, the third film of the franchise is directed by Kenji Nagasaki from a script written by Yōsuke Kuroda and stars Daiki Yamashita, Nobuhiko Okamoto, and Yuki Kaji as part of an ensemble cast. In the film, taking place during the Endeavor Agency arc of the manga, Izuku Midoriya and his classmates join the Pro-Heroes around the world for a mission to stop a terrorist plan that will bring an end to humanity.

A third film was initially teased in November 2020 with a key visual featuring Midoriya, Katsuki Bakugo, and Shoto Todoroki. One week after it was first announced, the film was officially confirmed for a 2021 release. Its full title was revealed in March 2021 along with the announcement of the release date. Horikoshi was credited for the original story in the film and the original characters' designs.

The film premiered in Japan on August 6, 2021, and was released in the United States and Canada on October 29. It received generally positive reviews from critics, who praised the animation and plot but criticized the character development. The film grossed over $47 million worldwide and received a nomination at the Newtype Anime Awards. A fourth film, titled My Hero Academia: You're Next, was released in Japan on August 2, 2024.