| Casteide-Doat | |
| Commune Status: | Commune |
| Arrondissement: | Pau |
| Canton: | Pays de Morlaàs et du Montanérès |
| Insee: | 64173 |
| Postal Code: | 64460 |
| Mayor: | Bernard Laurens[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Adour Madiran |
| Coordinates: | 43.3739°N -0.0117°W |
| Elevation M: | 297 |
| Elevation Min M: | 227 |
| Elevation Max M: | 345 |
| Area Km2: | 5.34 |
Casteide-Doat (pronounced as /fr/; oc|Castèida e Doat) is a commune in the Pyrénées-Atlantiques department in south-western France.