| Chelun | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Coordinates: | 47.8556°N -1.2231°W |
| Insee: | 35077 |
| Postal Code: | 35640 |
| Arrondissement: | Fougères-Vitré |
| Canton: | La Guerche-de-Bretagne |
| Mayor: | Christian Sorieux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Roche-aux-Fées |
| Elevation Min M: | 73 |
| Elevation Max M: | 112 |
| Area Km2: | 11.25 |
Chelun (in French pronounced as /ʃəlœ̃/; Breton: Kelon, Gallo: Chelun) is a commune in the Ille-et-Vilaine department of Brittany in northwestern France.
Inhabitants of Chelun are called Chelunais in French.