| Grande Lui | |
| Elevation M: | 3509 |
| Prominence M: | 106 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Valais, Switzerland |
| Range: | Mont Blanc Massif |
| Coordinates: | 45.9584°N 7.048°W |
The Grande Lui (3,509 m) is a mountain of the Mont Blanc massif, located west of La Fouly in the canton of Valais. It lies east of the Aiguille de l'A Neuve, on the range between the glaciers of Saleina and L'A Neuve.