| Merle-Leignec | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Merle-Leignec (Loire).svg |
| Arrondissement: | Montbrison |
| Canton: | Saint-Just-Saint-Rambert |
| Insee: | 42142 |
| Postal Code: | 42380 |
| Mayor: | René Avril[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Loire Forez |
| Coordinates: | 45.3756°N 4.0183°W |
| Elevation M: | 1000 |
| Elevation Min M: | 660 |
| Elevation Max M: | 994 |
| Area Km2: | 16.17 |
Merle-Leignec (in French pronounced as /mɛʁl lɛɲɛk/) is a commune in the Loire department in central France.