Petit Bois is a community in the Ouest department of Haiti.
Petit Bois or Petit-Bois can also refer to:
Petit Bois Island, island in Mississippi, United States Petit-Bois Stadium, a football stadium in the Champagne-Ardenne region of France Arboretum du Petit-Bois, an arboretum in the Lorraine region of France Château de Petit-Bois, a 19th-century mansion in the Auvergne region of France
See also Grand Bois (disambiguation)