| Louhossoa | |
| Native Name: | Luhuso |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Louhossoa (Pyrénées-Atlantiques).svg |
| Arrondissement: | Bayonne |
| Canton: | Baïgura et Mondarrain |
| Insee: | 64350 |
| Postal Code: | 64250 |
| Mayor: | Jean-Pierre Harriet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays Basque |
| Coordinates: | 43.3172°N -1.3525°W |
| Elevation M: | 100 |
| Elevation Min M: | 71 |
| Elevation Max M: | 369 |
| Area Km2: | 7.38 |
Louhossoa (in French pronounced as /lu.ɔsɔa/; Basque: Luhuso)[2] is a small village and a commune in the Pyrénées-Atlantiques department in south-western France. It is part of the traditional Basque province of Labourd.[2]