Geoffrey Royden "Geoff" Grewar (born 12 June 1932) is a former Australian politician who was a Liberal Party member of the Legislative Assembly of Western Australia from 1974 to 1983, representing the seat of Roe.
His family moved to Western Australia when he was a child, initially living in the country before eventually settling in Perth.
After graduating, he moved to Esperance, where he initially worked for the state Department of Agriculture.
[1] Grewar entered parliament at the 1974 state election, defeating Bill Young (the sitting Country Party member) in the seat of Roe.
Grewar attempted to transfer to the new seat of Esperance-Dundas, but was defeated by Julian Grill (the sitting Labor member for Yilgarn-Dundas, which had also been abolished).