World Series Sprintcars was a dirt track racing series held in Australia for Sprintcars. It was the richest and best known Speedway series in Australia. The series was last run in 2019/20 summer season. The COVID-19 pandemic was the originally cited reason for the series cancellation. Multiple attempts to restart the series have failed. The series has been replaced by multiple Sprintcar State Series.

Sprint cars are high-powered open-wheel race cars, designed primarily for the purpose of running on short oval or circular dirt or paved tracks. Historically known simply as "big cars," distinguishing them from "midget cars," sprint car racing is popular primarily in the United States and Canada, as well as in Australia, New Zealand, and South Africa.