| Uhart-Cize | |
| Native Name: | Uharte-Garazi |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Uhart-Cize (Pyrénées-Atlantiques).svg |
| Arrondissement: | Bayonne |
| Canton: | Montagne Basque |
| Insee: | 64538 |
| Postal Code: | 64220 |
| Mayor: | Claire Dutaret-Bordagaray[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays Basque |
| Coordinates: | 43.1656°N -1.2433°W |
| Elevation M: | 157 |
| Elevation Min M: | 149 |
| Elevation Max M: | 1064 |
| Area Km2: | 11.66 |
Uhart-Cize (in French pronounced as /yaʁt siz/;) is a commune in the Pyrénées-Atlantiques department in south-western France.
It is located in the former province of Lower Navarre.