| Trélon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Trélon (Nord).svg |
| Arrondissement: | Avesnes-sur-Helpe |
| Canton: | Fourmies |
| Insee: | 59601 |
| Postal Code: | 59132 |
| Mayor: | Thierry Reghem[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Sud Avesnois |
| Coordinates: | 50.0589°N 4.1033°W |
| Elevation M: | 250 |
| Elevation Min M: | 170 |
| Elevation Max M: | 251 |
| Area Km2: | 39.15 |
Trélon (in French pronounced as /tʁelɔ̃/) is a commune in the Nord department in northern France.[2]
Trélon forms the western edge of the Calestienne region.