Barrie John Unsworth (born 16 April 1934) is an Australian former politician, representing the Labor Party in the Parliament of New South Wales from 1978 to 1991.

In 1955, aged 21 years, he married Pauline Hennessy and they subsequently had one daughter and three sons, one of whom has died; he and his wife have nine grandchildren, and two great-grandsons.

While serving in the Legislative Council, he represented Australia as a delegate at the International Labour Organization (ILO) Worker Participation in Management Conferences held in Geneva (1980) and The Hague (1981).

As Premiers are required by convention to be members of the Legislative Assembly, Brian Bannon, the member for the normally safe Labor seat of Rockdale, resigned to accept a government job as Chairman of the Homebush States Sport Centre Trust,[5] and Unsworth contested the resulting by-election held on 2 August 1986.

Unsworth was Premier for two years[1] until the Labor Party's landslide defeat by the Liberals' Nick Greiner in the 1988 elections.

[7] Following the election of the Carr Labor Government in 1995, Unsworth was placed on a number of key government and community bodies, including: During 2003 - 2008, Unsworth was a Director of Father Chris Riley's charity, Youth off the Streets, that provides crisis care, refuges, schools, drug programs and alcohol programs to young people in Australia and throughout Asia.