Harold "Buckley" Belanger (born March 21, 1960) is a Canadian provincial politician, who served as the Member of the Legislative Assembly of Saskatchewan for the constituency of Athabasca, in the north-western corner of the province.
He left the party to join the NDP in 1998, recontesting his seat in a by-election in which he attained 93.64 per cent of the vote, the second highest margin of victory ever attained by an electoral candidate in the province.
Prior to his election to the legislature, Belanger served as mayor of Île-à-la-Crosse, and worked as a journalist and administrator for MBC Radio.
On August 15, 2021 he resigned from the legislature to run in the 2021 Canadian federal election, as a federal Liberal in the riding of Desnethé—Missinippi—Churchill River.
He was defeated by Conservative candidate Gary Vidal.