| Mormant-sur-Vernisson | |
| Commune Status: | Commune |
| Arrondissement: | Montargis |
| Canton: | Montargis |
| Insee: | 45216 |
| Postal Code: | 45700 |
| Mayor: | Vincent Desrumaux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Montargoise et Rives du Loing |
| Coordinates: | 47.9481°N 2.7383°W |
| Elevation Min M: | 89 |
| Elevation Max M: | 107 |
| Area Km2: | 10.92 |
Mormant-sur-Vernisson (in French pronounced as /mɔʁmɑ̃ syʁ vɛʁnisɔ̃/) is a commune in the Loiret department in north-central France.