Paul Basil O'Halloran (born 17 April 1950) is a former Australian politician.

Early in life he was a Labor supporter, but his activism in the Franklin Dam dispute lead him to the Greens.

Prior to politics, he was a schoolteacher and administrator and later a scientist at the University of Tasmania, where he managed a university agricultural industry project aimed at linking educator providers with industry.

[1] O'Halloran was a Greens candidate for several state elections before being elected to the Division of Braddon in the Tasmanian House of Assembly in 2010,[2] receiving 7.9% of first preference votes.

[3] O'Halloran is the first Greens member for Braddon since Di Hollister lost her seat in 1998.