22/7 (ナナブンノニジュウニ, Nanabun no Nijūni) is a Japanese idol girl group formed through a media mix project by Yasushi Akimoto, Aniplex, and Sony Music Records. The members consist of voice actresses who provide the voice and motion capture for their characters, as well as perform as a musical group.

22/7's variety show, 22/7 Keisanchū, began on July 7, 2018 on Tokyo MX. An anime television series of the same name by A-1 Pictures, which stars the members' characters, aired from January 11 to March 28, 2020. In December 2019, a mobile musical rhythm game developed by h.a.n.d. with ForwardWorks and published by Aniplex was announced.