Mary Bluett is an Australian trade unionist and the former president of the Victorian branch of the Australian Education Union (AEU). In 1974, Bluett became a branch representative of the Victorian Secondary Teachers Association (VSTA). The next year, she became a member of the VSTA's Central Committee. In 1982, she became the vice president of the VSTA, before being elected as the president of the VSTA in 1994. The VSTA ultimately merged with two other Victorian teachers unions to become the Victorian branch of the AEU. Bluett became the Victorian AEU's first vice president. She became the president of the AEU's Victorian Branch in 1998.