Poppin'Party is a Japanese all-female band that was formed in 2015 as part of Bushiroad's media franchise BanG Dream!. The group's members are voice actresses who portray fictional characters in the franchise's anime series and mobile game BanG Dream! Girls Band Party!.

The band consists of Aimi (lead vocals, rhythm guitar), Sae Ōtsuka (lead guitar), Rimi Nishimoto (bass), Ayaka Ōhashi (drums), and Ayasa Itō (keyboard). In the anime and game, the band is represented by Kasumi Toyama (Aimi), Tae Hanazono (Ōtsuka), Rimi Ushigome (Nishimoto), Sāya Yamabuki (Ōhashi), and Arisa Ichigaya (Itō). Poppin'Party serves as the protagonists of the anime, which began airing in 2017.

Of BanG Dream!'s nine bands, Poppin'Party is one of six whose members play their own music during live concerts. The band has produced 19 singles and two albums.