The 2015 Toyota Grand Prix of Long Beach was the 41st annual running of the Toyota Grand Prix of Long Beach and the third race of the 2015 IndyCar Series season. It took place on April 19, 2015, in Long Beach, California on its temporary street circuit. It was won by Scott Dixon for the Chip Ganassi Racing team. Hélio Castroneves took second and Juan Pablo Montoya both of whom race for Team Penske. The top finishing rookie in the race, as in the previous round, was Gabby Chaves, who finished in 16th position.