Karen Matsumoto

is a Japanese singer and model from Chiba Prefecture, affiliated with . She is a member of the idol groups Fruits Zipper and PiKi. Biography Karen Matsumoto, a native of Chiba Prefecture, was born on 28 March 2002. She was also active as a TikToker. She was one of the first three members to join the group when it was formed. Fruits Zipper marked her debut as an idol. In June 2025, she formed the new unit PiKi with Cutie Street member Haruka Sakuraba. Shiho Namayuka of QJWeb described Matsumoto as the "true embodiment" of the group's New Kawaii concept. She was ranked runner-up in the "Female Idol / Artist" category in Model Presss 2026 Hit Predictions forecast.

In January 2026, Matsumoto received supportive reactions from social media users after she indirectly confirmed that she likes Suzuka, a member of Atarashii Gakko!, after the two appeared together on Count Down TVs 2025 New Years' Eve special. She has a cat named Matsumoto Ono Komachi. She also has two younger brothers.