| Momuy | |
| Commune Status: | Commune |
| Arrondissement: | Mont-de-Marsan |
| Canton: | Chalosse Tursan |
| Insee: | 40188 |
| Postal Code: | 40700 |
| Mayor: | David Nogues[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Chalosse Tursan |
| Coordinates: | 43.615°N -0.6344°W |
| Elevation M: | 101 |
| Elevation Min M: | 41 |
| Elevation Max M: | 126 |
| Area Km2: | 13.3 |
Momuy (in French pronounced as /mɔmœj/; Occitan (post 1500);: Momui) is a commune in the Landes department in Nouvelle-Aquitaine in south-western France. The journalist and writer Pierre Veilletet (1943–2013) was born in Momuy.