AIKATSU☆STARS! is an idol group who are the featured performers for songs in relation to the Data Carddass Aikatsu! game starting from the 2015 series, the Data Carddass Aikatsu Stars! game, as well as the the anime. The members of AIKATSU☆STARS! provide the singing voice of at least one main character in the Aikatsu Stars! universe, and are credited only by their given names written in hiragana. They sometimes collaborate on songs with members from their sister group, STAR☆ANIS.
- Characters labeled with an asterisk (*) are from the original Aikatsu! series.
- Ruka Endō (遠藤瑠香) → Ruka (るか) as Hime Shiratori, Aria Futaba, Akari Ōzora*
- Miki Mirai (未来みき) → Miki (みき) as Ako Saotome, Hinaki Shinjō*
- Miho Amane (天音みほ) → Miho (みほ) as Yozora Kasumi, Kirara Hanazono, Juri Kurebayashi*, Nono Daichi*
- Nanase Matsuoka (松岡ななせ) → Nanase (ななせ) as Tsubasa Kisaragi, Lily Shirogane, Koharu Nanakura, Rin Kurosawa*, Lisa Shirakaba*
- Kana Hoshizaki (星咲花那) → Kana (かな) as Yuzu Nikaidō, Mahiru Kasumi, Madoka Amahane*, Nina Dōjima*
- Sena Horigoshi (堀越せな) → Sena (せな) as Yume Nijino
- Rie Fujishiro (藤城リエ) → Rie (りえ) as Laura Sakuraba, Sumire Hikami*
- Mona Tomoyama (巴山萌菜) → Mona (もな) as Sumire Hikami* (graduated February 27, 2016)
- Replaced by Rie as Sumire Hikami as of March 26, 2017
- Ruka is also part of the sister group STAR☆ANIS.
- Some of the members have multiple variations to their voices due to voicing more than one character.
- Nanase is the first and so far only member to have more than 4 letters in her name.
- Rie is the first and so far only member to have less than 4 letters in her name.