Hoarau is a surname common in Réunion. Notable people with the surname include:
Gérard Hoarau, politician from the Seychelles Élie Hoarau, politician representing Réunion, husband of Gélita Gélita Hoarau, politician representing Réunion, wife of Élie Guillaume Hoarau, footballer from Réunion Olivier Hoarau (born 1975), French politician Pauline Hoarau, model from Réunion
See also Stade Théophile Hoarau, a stadium in Réunion