| Ouzouer-sur-Trézée | |
| Commune Status: | Commune |
| Arrondissement: | Montargis |
| Canton: | Gien |
| Insee: | 45245 |
| Postal Code: | 45250 |
| Mayor: | Denis Gervais[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | Berry Loire Puisaye |
| Coordinates: | 47.6722°N 2.8086°W |
| Elevation Min M: | 137 |
| Elevation Max M: | 185 |
| Area Km2: | 61.63 |
Ouzouer-sur-Trézée (in French pronounced as /uzwɛʁ syʁ tʁeze; uzwaʁ-/) is a commune in the Loiret department in north-central France. The Briare Canal and the river Trézée run through the town. A well-known mayor of the town was the French Resistance fighter and spy Count Robert de La Rochefoucauld