Theo Charles Theophanous (born 16 June 1948) is a former Australian politician. He entered politics in 1988 as a member of the Victorian Legislative Council. Theophanous served from 1988 to 2006 as one of the two members for Jika Jika Province, before the reforms to the Victorian Legislative Council that introduced proportional representation. He served as a Minister in the Kirner Government and as the leader of the opposition in the Legislative Council from 1993 until 1999. From 2006 until 2010 he represented the Northern Metropolitan Region and served as Minister in the Bracks and Brumby Governments.