| Gahi | |
| Settlement Type: | Village |
| Pushpin Map: | Wallis |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Wallis Island |
| Pushpin Mapsize: | 300 |
| Subdivision Type: | Country |
| Subdivision Name: |  France |
| Subdivision Type1: | Territory |
| Subdivision Name1: |  Wallis and Futuna |
| Subdivision Type2: | Island |
| Subdivision Name2: | Wallis |
| Subdivision Type3: | Chiefdom |
| Subdivision Name3: | Uvea |
| Subdivision Type4: | District |
| Subdivision Name4: | Mua |
| Population As Of: | 2018 |
| Population Total: | 249 |
| Timezone: | UTC+12 |
| Coordinates: | -13.3367°N -176.1869°W |
Gahi is a village in Wallis and Futuna. It is located in Mua District on the southeast coast of Wallis Island on Gahi Bay. Its population according to the 2018 census was 249 people.[1]