The 2019 Perth SuperNight (known for sponsorship purposes as the Pirtek Perth SuperNight) was a motor racing event for the Supercars Championship, held on 2-4 May 2019. The event was held at Barbagallo Raceway in Wanneroo, Western Australia and consisted of one race of 120 kilometres (50 laps) and one race of 200 kilometres (83 laps) in length. It was the fifth event of fifteen in the 2019 Supercars Championship and hosted Races 11 and 12 of the season. DJR Team Penske's Fabian Coulthard won Race 11 while Scott McLaughlin won Race 12.