Michael Alexander Mansell (born 5 June 1951 in northern Tasmania) is a Tasmanian Aboriginal leader, who as an activist and lawyer, has worked for social, political and legal changes to improve the lives and social standing of Tasmanian Aboriginal people (Palawa).
Mansell is of Palawa descent from the Trawlwoolway group on his mother's side and from the Pinterrairer group on his father's side, both of which are Indigenous groups from north-eastern Tasmania.