Greg Rust (born 19 July 1970 in Sydney) is a motor racing commentator and the front man for Australia's coverage of Formula One and MotoGP on Network Ten a commercial TV network. He has also worked for the Nine Network and the Special Broadcasting Service (SBS) as a freelance commentator/reporter/presenter, mainly covering motorsport (auto racing). Colleagues and fans call him "Rusty" or "Thruster" (a nickname given to him by the late Barry Sheene a former World Motorcycle Champion).