Louise Thibault (French pronunciation: [lwiz tibo]; born 1946) is a Canadian politician. Born in Montreal, Quebec, Thibault was a city councillor in Le Bic in 2003, then was elected into the House of Commons of Canada in the 2004 Canadian federal election for the Bloc Québécois in the riding of Rimouski-Neigette—Témiscouata—Les Basques. A former senior public servant, Thibault was the Bloc's critic of the Minister of Public Works and Government Services.