須藤茉麻 (Sudo Maasa) is a Japanese pop singer, idol, actress and model currently under the talent agency J.P ROOM. She is a former member of Hello! Project, having joined as a member of Hello! Project Kids in 2002 and later debuting as a member of Berryz Koubou in 2004. During her time in Hello! Project, she was also a member of 4KIDS, ZYX-α, BeriKyuu, and Cat's♥Eye 7. She graduated from Hello! Project on March 3, 2015 in a joint graduation concert with the other members of Berryz Koubou. Sudo has since been working in theater, and is currently the playing manager of Hello! Project's acting club Engeki Joshibu.
