| Petit Grépillon | |
| Elevation M: | 3358 |
| Prominence M: | 88 |
| Prominence Ref: | [1] |
| Map: | Alps |
| Location: | Valais, Switzerland Aosta Valley, Italy |
| Range: | Mont Blanc Massif |
| Coordinates: | 45.9134°N 7.0606°W |
The Petit Grépillon is a mountain of the Mont Blanc Massif, located on the border between Italy and Switzerland. It lies on the range south-east of Mont Dolent, between the glaciers of Pré de Bard (Aosta Valley) and Dolent (Valais).