On October 29, 2015, the series' official Twitter announced that the series would receive an anime adaptation produced by Studio Bones.[30][31] With the anime announced, Toho registered the domain name "heroaca.com" as the anime's website.[31] The anime is directed by Kenji Nagasaki, written by Yōsuke Kuroda, and featured character designs by Yoshihiko Umakoshi and music composed by Yuki Hayashi.[32][33] The anime stars Marina Inoue as Momo Yaoyorozu, Yoshimasa Hosoya as Fumikage Tokoyami, Daiki Yamashita as Izuku Midoriya, Kenta Miyake as All Might, Nobuhiko Okamoto as Katsuki Bakugō, Ayane Sakura as Ochako Uraraka, Kaito Ishikawa as Tenya Iida, Aoi Yuki as Tsuyu Asui, Ryou Hirohashi as Minoru Mineta.[34] The anime premiered on MBS and other Japan News Network stations in the Nichigo time slot at 5 P.M. on Sundays in Japan.[35] The opening theme is "The Day", performed by Porno Graffitti, while the ending theme is "Heroes", performed by Brian the Sun.[36]

A second season was announced in the Weekly Shōnen Jump magazine's 30th issue of 2016.[14] It premiered on April 1, 2017, on Nippon TV and Yomiuri TV.[37] The staff and cast from the first season returned to reprise their roles.[38] The first opening theme is "Peace Sign" (ピースサイン) performed by Kenshi Yonezu and the first ending theme is "Dakara, Hitori ja nai" (だから、ひとりじゃない, lit. "Therefore, I Am Not Alone"), performed by Little Glee Monster.[39] The second opening theme is "Sora ni Utaeba" (空に歌えば, lit. "If I Sing to the Sky") performed by amazarashi[40] and the ending theme is "Datte Atashi no Hīrō" (だってアタシのヒーロー, lit. "Still My Hero") by LiSA.[41]

A third season was announced in the 44th issue of Weekly Shōnen Jump magazine of 2017.[42][43] The series premiered on April 7, 2018.[44] The first opening theme is "Odd Future" by Uverworld, while the first ending theme is "Update" (アップデート) by Miwa. The second opening theme is "Make My Story" by Lenny Code Fiction and the second ending theme is "Long Hope Philia" (ロングホープ・フィリア) by Masaki Suda.[45]

A fourth season was announced in the final episode of season three, which released on September 29, 2018.[46] On December 19, 2018, the series' official website confirmed a release date of October 12, 2019, along with a key visual.[47][48] Funimation premiered the first episode of the fourth season at Anime Expo on July 6, 2019, with the English dub.[49][50] Kenji Nagasaki served as chief director of the fourth season, with Masahiro Mukai as director.[51] The first opening theme is "Polaris" by Blue Encount, while the first ending theme is "Kōkai no Uta" by Sayuri.[52] The second opening theme is "Star Marker" by Kana-Boon, and the second ending theme is "Shout Baby" by Ryokuōshoku Shakai.[53]

A fifth season was announced at the end of the final episode of season four.[54] The fifth season premiered on March 27, 2021.[55] The first opening theme is "No.1" by DISH, while the first ending theme is "Ashiato" by the peggies.[56] The second opening theme is "Merry-Go-Round" by Man with a Mission, while the second ending theme is "Uso ja nai" by Soushi Sakiyama.[57]