| Montlognon | |
| Commune Status: | Commune |
| Arrondissement: | Senlis |
| Canton: | Nanteuil-le-Haudouin |
| Insee: | 60422 |
| Postal Code: | 60300 |
| Mayor: | Daniel Froment[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Senlis Sud Oise |
| Coordinates: | 49.1653°N 2.6939°W |
| Elevation M: | 61 |
| Elevation Min M: | 62 |
| Elevation Max M: | 122 |
| Area Km2: | 5.24 |
Montlognon (in French pronounced as /mɔ̃lɔɲɔ̃/) is a commune in the Oise department in northern France.