| Lez-Fontaine | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Rousies (Nord).svg |
| Arrondissement: | Avesnes-sur-Helpe |
| Canton: | Fourmies |
| Insee: | 59342 |
| Postal Code: | 59740 |
| Mayor: | Philippe Hanot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Cœur de l'Avesnois |
| Coordinates: | 50.1781°N 4.0625°W |
| Elevation M: | 179 |
| Elevation Min M: | 167 |
| Elevation Max M: | 225 |
| Area Km2: | 4.51 |
Lez-Fontaine is a commune in the Nord department in northern France.[2]