Sérgio Duarte Mamberti OMC (Santos, April 22, 1939 — São Paulo, September 3, 2021) was a Brazilian actor, director, producer, author, artist and politician. Graduated from the São Paulo School of Dramatic Arts, he was a playwright for more than 50 years. He was the brother of fellow actor Cláudio Mamberti and father of actor Duda Mamberti.