| Wallers-en-Fagne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Wallers-Trélon (Nord).svg |
| Arrondissement: | Avesnes-sur-Helpe |
| Canton: | Fourmies |
| Insee: | 59633 |
| Postal Code: | 59132 |
| Mayor: | Bernard Navarre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Sud Avesnois |
| Coordinates: | 50.0642°N 4.1764°W |
| Elevation M: | 222 |
| Elevation Min M: | 186 |
| Elevation Max M: | 236 |
| Area Km2: | 7.79 |
Wallers-en-Fagne (before 2007: Wallers-Trélon) is a commune in the Nord department in northern France.[2]