Powerboat Superleague, also known as APR Superleague, is a professional powerboat racing series with a long history of hosting competitive outboard tunnel boat racing throughout the United States. Operating since 1986, the series brings high speed powerboat racing to rivers, lakes and waterfront communities while providing racers with organized championship competition.

Powerboat Superleague is an American Power Boat Association (APBA) club and hosts APBA sanctioned racing utilizing established competition rules, safety standards and class specifications. The series has featured multiple OPC classes, including SST-45 / Formula Lights, making it another important racing series for drivers and fans of outboard tunnel boat racing.