Barbara Avalon Baker AC (born 31 March 1958) is an Australian barrister and former judge, who is the 29th and current governor of Tasmania since 16 June 2021.

Her parents were Alison Burton, a tennis player, and Bob Baker, a lawyer who became a Liberal member of the Tasmanian Parliament.

[4] In May 2021, Premier Peter Gutwein announced that Baker would succeed Kate Warner as governor of Tasmania with effect from 16 June.

[6] She stated that she would "focus on gender equality and family violence issues in the community", as well as encouraging participation in sport and acting as a role model for young lawyers.

[7] Baker is married to Don Chalmers AO, an emeritus professor of law at the University of Tasmania, and has two daughters.