Robert Grubb (born 31 January 1950) is an Australian actor. He studied acting at National Institute of Dramatic Art (NIDA), where he graduated in 1978. There he was a fellow student of actor Mel Gibson.
Grubb played the role of Dr. Geoffrey Standish in the popular series The Flying Doctors. He won Australia's Helpmann Award for Best Male Actor in a Supporting Role in a Musical for his stage portrayal of Pop in the Australian production of the Queen musical, We Will Rock You.
In 1998, he played The Wolf/Cinderella’s Prince in the Melbourne Theatre Company's production of Sondheim’s Into the Woods.
He also narrated "Rainforest Beneath the Canopy" in 2004.
Grubb was reprising his previous role of Detective Bill Graves on Neighbours.
Grubb features as Senior Sgt Bill Kirby in Savage River (TV series), on ABC TV (and iview), premiering September 2022 and set in country Victoria.