| Marcilly-le-Châtel | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Marcilly-le-Châtel (Loire).svg |
| Arrondissement: | Montbrison |
| Canton: | Boën-sur-Lignon |
| Insee: | 42134 |
| Postal Code: | 42130 |
| Mayor: | Thierry Gouby[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Loire Forez |
| Coordinates: | 45.6956°N 4.0381°W |
| Elevation M: | 420 |
| Elevation Min M: | 377 |
| Elevation Max M: | 708 |
| Area Km2: | 16.32 |
Marcilly-le-Châtel (pronounced as /fr/) is a commune in the Loire department in central France.