| Castets | |
| Commune Status: | Commune |
| Arrondissement: | Dax |
| Canton: | Côte d'Argent |
| Insee: | 40075 |
| Postal Code: | 40260 |
| Mayor: | Philippe Mouhel[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Côte Landes Nature |
| Coordinates: | 43.8833°N -1.1458°W |
| Elevation M: | 60 |
| Elevation Min M: | 23 |
| Elevation Max M: | 86 |
| Area Km2: | 90.18 |
Castets (in French pronounced as /kastɛts/; Occitan (post 1500);: Castèths) is a commune in the Landes department in Nouvelle-Aquitaine in southwestern France.[2]