Claude Fortier

{{Short description|Canadian physiologist (1921–1986)}}

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| name = Claude Fortier

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| birth_date = {{Birth date|1921|06|11}}

| birth_place = Montreal, Quebec

| death_date = {{Death date and age|1986|04|22|1921|06|11}}

| death_place = Sainte-Foy, Quebec

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| nationality = Canadian

| fields = Physiology

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Claude Fortier {{Post-nominals|country=CAN|CC}} (June 11, 1921 – April 22, 1986) was a Canadian physiologist and expert on the pituitary gland. From 1974 to 1975, he was the president of the Royal Society of Canada.