Brian Andrew Greig OAM (born 22 February 1966), Australian politician, was an Australian Democrats member of the Australian Senate from 1999 to 2005, representing the state of Western Australia. Greig was born in Fremantle, but his family moved to the small village of Lancelin at the age of four. He went to primary school there, but received his secondary education as a boarder at Hale School, Perth.