| Louan-Villegruis-Fontaine | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Louan-Villegruis-Fontaine (Seine-et-Marne).svg |
| Coordinates: | 48.6256°N 3.48°W |
| Insee: | 77262 |
| Postal Code: | 77560 |
| Arrondissement: | Provins |
| Canton: | Provins |
| Mayor: | James Dane[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Provinois |
| Elevation Min M: | 125 |
| Elevation Max M: | 207 |
| Area Km2: | 38.05 |
Louan-Villegruis-Fontaine (in French pronounced as /lwɑ̃ vilɡʁɥi fɔ̃tɛn/) is a commune in the Seine-et-Marne department in the Île-de-France region in north-central France.
The river Aubetin forms part of the commune's northern border.
Inhabitants are called Louannais.