Pedro Paulo Falleiros dos Santos Diniz (born 22 May 1970) is a Brazilian businessman and former racing driver. Diniz began karting at the age of eighteen and achieved minor success, before progressing to car racing in the Brazilian Formula Ford Championship and the British Formula 3 Championship. He first drove in Formula One with Forti for the 1995 season. The following year he switched to Ligier and moved to Arrows for 1997. In 1998, he finished 14th in the Drivers' Championship, and subsequently moved to Sauber for 1999. He left Sauber after the 2000 season and bought a share in the Prost team, which folded a year later.