Yvan Loubier (born April 10, 1959 in Montreal, Quebec) is a Canadian politician and one of the founders of the Bloc Québécois.
Prior to being elected he was a consultant in economic policies and international trade and was an economist.
At the time of his resignation, he was chair of the Subcommittee on Fiscal Imbalance and is the Bloc's Finance critic.
On September 8, 2006 Loubier announced that he would not seek re-election at the next federal election but will remain a militant for the sovereignty of Quebec.
[1] On February 21, 2007 he resigned from the House of Commons to run for the Parti Québécois in the 2007 Quebec general election[2] in the riding of Chutes-de-la-Chaudière.