矢島舞美 (Yajima Maimi) is a Japanese singer and actress. She is a former idol under Hello! Project as the leader of ℃-ute and leader of Hello! Project.

She was also a member of the SATOYAMA movement unit DIY♡ and the SATOUMI movement unit Mellowquad. Yajima Maimi joined Hello! Project as a child, becoming one of the Hello! Project Kids. She was a part of the group ZYX, the first Kids-featured group, before later joining and becoming the leader of °C-ute.