Bernard Lemaire, OC (born May 6, 1936) is a Canadian businessman. He is the Chairman of the Board of Cascades Inc., a Canadian manufacturer of packaging products, tissue products and fine papers products.
Born in Drummondville, Quebec, he studied civil engineering at the Université de Sherbrooke and McGill University. In 1960, he joined the family recycling business, Drummond Pulp and Fiber. In 1963, along with his father and brother, Laurent, he founded Papier Cascades Inc. (which later became Cascades Inc.). He was President and Chief Executive Officer of the company until 1992.
In 1987, he was made an Officer of the Order of Canada, the centrepiece of Canada’s honours system which recognizes a lifetime of achievement and merit of a high degree, especially in service to Canada or to humanity at large. In 2002, he was awarded the Chevalier de l'Ordre national de la Légion d'honneur of France.