| Luisin | |
| Elevation M: | 2786 |
| Prominence M: | 324 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Parent Peak: | Dents du Midi |
| Location: | Valais, Switzerland |
| Range: | Chablais Alps |
| Coordinates: | 46.1208°N 6.97°W |
| Easiest Route: | Hiking |
The Luisin (in French pronounced as /lɥizɛ̃/) is a mountain of the Chablais Alps, overlooking Les Marécottes in the canton of Valais. It lies east of the Tour Sallière, on the range between the lake of Salanfe and the valley of Trient.