Petra Mandula (Hungarian pronunciation: [ˈpɛtrɒ ˈmɒndulɒ]; born 17 January 1978) is a Hungarian former professional tennis player, who represented her native country at the 2000 Summer Olympics in Sydney; in singles, she was eliminated in the first round by fourth seed Conchita Martínez of Spain, in doubles, she reached the quarterfinals, partnering Katalin Marosi. Four years later, when Athens hosted the Games, she once again was defeated in the first round, this time by Patty Schnyder of Switzerland.