| Tadousse-Ussau | |
| Commune Status: | Commune |
| Arrondissement: | Pau |
| Canton: | Terres des Luys et Coteaux du Vic-Bilh |
| Insee: | 64532 |
| Postal Code: | 64330 |
| Mayor: | Pascal Bourguinat[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Luys en Béarn |
| Coordinates: | 43.5456°N -0.1906°W |
| Elevation M: | 172 |
| Elevation Min M: | 119 |
| Elevation Max M: | 263 |
| Area Km2: | 4.73 |
Tadousse-Ussau (in French pronounced as /tadus yso/; Occitan (post 1500);: Tadossa e Aussau) is a commune in the Pyrénées-Atlantiques department in south-western France.