Roger Gaudry, CC GOQ MSRC (December 15, 1913 – October 7, 2001) was a Canadian chemist, businessman, corporate director, and rector of the Université de Montréal.

From 1940 to 1945, he was assistant professor of chemistry in the Faculty of Medicine at Université Laval.

He was a member of the board of directors of the following companies: Connaught Laboratories Ltd., CDC Life Sciences Inc., Bank of Montreal, Alcan, Hoechst Canada, S.K.W.

Canada Ltd., Bio-Recherche Ltée, Corby Distilleries Ltd, and St. Lawrence Starch Co. Ltd. From 1983 to 1995, he was president of the Fondation Jules et Paul-Emile Léger, a Canadian charity which supports groups that help restore human dignity to those who have been rejected by society.

After his death in 2001, he was entombed at the Notre Dame des Neiges Cemetery in Montreal.