Groleau is a surname that may refer to:
People with the surname François Groleau (born 1973), ice hockey player from Quebec Jason Groleau, Canadian politician Josaphat Groleau (1893–1993), Quebec businessman, mayor, county prefect, and president of the Sainte-Thècle Village School Board Marcel Groleau, president of the Quebec trade union, Union des producteurs agricoles