The Phillip Island Grand Prix Circuit is a motor racing circuit located near Ventnor, on Phillip Island, Victoria, Australia. The current circuit was first used in 1952.

Along with The Bend Motorsport Park in South Australia, the 4.448 km (2.764 mi) long island circuit is one of two race tracks in Australia to carry a FIM Category A track licence which allows for the highest level of motorcycle racing, MotoGP. Phillip Island also carries an FIA Grade 3 track licence.