| Lannepax | |
| Commune Status: | Commune |
| Arrondissement: | Condom |
| Canton: | Fezensac |
| Insee: | 32190 |
| Postal Code: | 32190 |
| Mayor: | Patricia De Hondt[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.8°N 0.23°W |
| Elevation M: | 182 |
| Elevation Min M: | 107 |
| Elevation Max M: | 217 |
| Area Km2: | 30.84 |
Lannepax (in French pronounced as /lanpaks/; Occitan (post 1500);: Lanapatz) is a commune in the Gers department in southwestern France. It is the site of a distillery of Armagnac brandy.
The Auzoue forms most of the commune's eastern border.