Marsha Rose Thomson (born 21 December 1955) is an Australian politician. She was a member of the Victorian Legislative Assembly, representing the electoral district of Footscray for the Labor Party from 2006 to 2018; she previously served in the Victorian Legislative Council from 1999 to 2006. She was the first female Jewish minister in Australia. Thomson was married to federal Labor MP Kelvin Thomson and they have two children. They separated in 2003.