Tarō Yamamoto (山本 太郎, Yamamoto Tarō) is a Japanese politician and former actor, who is the founder and current leader of the anti-establishment political party Reiwa Shinsengumi. Yamamoto currently serves in the House of Councillors representing Tokyo, and previously served in the House of Representatives from 2021 to 2022. He unsuccessfully ran in the 2020 Tokyo gubernatorial election as a candidate under Reiwa.