The Porsche Sprint Challenge Australia (formerly Porsche GT3 Cup Challenge Australia) is a sports car racing series open to drivers of Porsche 911 GT3 Cup cars. The series was first held in 2008 to fill the void between club racing and the Australian Carrera Cup Championship and Australian GT Championship for Porsche owners. The series currently consists of Type 991 Gen I and Type 991 Gen II Porsche 911 GT3 Cup cars, with each model competing in a different class, though other models are eligible to compete.
The series runs on the Shannons Nationals Motor Racing Championships calendar, holding six rounds in the years season.