Big Joanie is a British punk trio formed in London in 2013. Its members are Stephanie Phillips (guitar and vocals), Estella Adeyeri (bass guitar and vocals), and Chardine Taylor-Stone (drums and vocals). After a few singles and EPs they released their first album in 2018 with Thurston Moore and Eva Prinz's Ecstatic Peace Library, and have since signed to Kill Rock Stars in the U.S.