| Ormesson | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Ormesson (Seine-et-Marne).svg |
| Coordinates: | 48.2439°N 2.6549°W |
| Insee: | 77348 |
| Postal Code: | 77167 |
| Arrondissement: | Fontainebleau |
| Canton: | Nemours |
| Mayor: | Alain Poursin[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 70 |
| Elevation Max M: | 119 |
| Area Km2: | 3.81 |
Ormesson (in French pronounced as /ɔʁmɛsɔ̃/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
Inhabitants are called Ormessonnais.