Amoroso Katamsi (born in Batavia, Dutch East Indies, October 21, 1940) is an Indonesian performer. He is well known by Penumpasan Pengkhianatan G 30 S PKI created in 1982 by director, Arifin C. Noer and by Djakarta 1966 supported by Umar Kayam with same director. He also become chief of PARFI.