| Official Name: | Petit Bois |
| Settlement Type: | Communal section |
| Pushpin Map: | Haiti |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Haiti |
| Subdivision Type: | Country |
| Subdivision Name: | Haiti |
| Subdivision Type1: | Department |
| Subdivision Name1: | Ouest |
| Subdivision Type2: | Arrondissement |
| Subdivision Name2: | Arcahaie |
| Coordinates: | 18.8634°N -72.5126°W |
| Elevation M: | 645 |
Petit Bois is a communal section in the Arcahaie commune in the Arcahaie Arrondissement, in the Ouest department of Haiti.