Douglas John Parkinson (born 5 June 1945 in Hobart) is a former Australian politician.

He was a Labor Party member of the Tasmanian Legislative Council for the electoral division of Hobart from 1994 until his retirement in 2012.

Parkinson studied at St Virgil's College and the University of Tasmania, obtaining a Bachelor of Economics with Honours in 1971.

in 1981, he established a legal practice in Hobart and lectured part-time at the University of Tasmania.

Parkinson has announced his intention to run as an independent candidate for election for the newly created Legislative Council division of Prosser, to be held on 5 May 2018.