| Castéra-Loubix | |
| Commune Status: | Commune |
| Arrondissement: | Pau |
| Canton: | Pays de Morlaàs et du Montanérès |
| Insee: | 64174 |
| Postal Code: | 64460 |
| Mayor: | Francette Krajeski[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Adour Madiran |
| Coordinates: | 43.4031°N -0.0331°W |
| Elevation M: | 279 |
| Elevation Min M: | 208 |
| Elevation Max M: | 323 |
| Area Km2: | 3.43 |
Castéra-Loubix is a commune in the Pyrénées-Atlantiques department in south-western France.