Fourreau () is a French surname from Pays de la Loire, chiefly Mayenne, and surrounding areas. It is derived from the French word for , originally designating a sheath-maker. Notable people with the surname include:
Emma Fourreau (born 1999), French politician Gustave Fourreau (1920–1994), French Army official Jules Pierre Fourreau (1844–1871), French botanist
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