Peter Tabuns is a Canadian politician and activist who ran for the NDP in the riding of Beaches—East York. In the 2004 election, he ran a close race against Liberal incumbent Maria Minna. The riding is held provincially by Michael Prue of the NDP, but Minna has been elected there since the 1993 election.

A former Toronto city councillor best known for introducing the ban on smoking in bars and restaurants, he went on to serve as head of Greenpeace Canada for several years.