Renato Federico Alfredo Mastropietro (born 29 September 1945 in Milan) is a former professional racecar driver.
He drove in the FIA GT Championship from 1997 to 2000 making 10 starts over those years.
He also drove a Porsche 911 to a 9th place overall finish (2nd in GT2) in the 1994 24 Hours of Le Mans.
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