Roberto Tozzi (born 17 December 1958) was an Italian sprinter who specialized in the 400 metres.

He won a bronze medal in the 4 x 400 metres relay at the 1980 Summer Olympics, with teammates Stefano Malinverni, Mauro Zuliani and Pietro Mennea.

His personal best time is 46.03 seconds, achieved in September 1984 in Rieti.

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