Rena Matsui (Japanese: 松井 玲奈, Hepburn: Matsui Rena, born July 27, 1991 in Toyohashi, Aichi) is a former member of the Japanese idol girl group SKE48 and Nogizaka46. She originally joined as a member of SKE48's Team S but on April 2013, she became the leader of team E. She has participated in the main lineup of not only SKE48 but also AKB48 singles.