Roberto Manzi (born 21 March 1959) is an Italian fencer and lawyer. Manzi won a bronze medal in the team épée event at the 1984 Summer Olympics.
Manzi was born in Rimini, Emilia-Romagna, on 21 March 1959. His father, , also a lawyer, was a councillor on the municipal and provincial councils, as well as Vice-President of Banca Carim and president of Rimini's hospital institutes. Manzi has a sister, Isabella, who is also a lawyer.
Manzi studied at Rimini's classical lyceum, graduating in 1978. Before his 1984 Olympic win, he won gold and silver medals at the Universiade.
After his Olympic win, Manzi became a lawyer. Among his specialisms are regulations pertinent to beach establishments and their activities, including lifeguards. He sat on the General Council of Banca Carim from 2016.