| Saint-Marcel-l'Éclairé | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Marcel-l'Éclairé (Rhône).svg |
| Arrondissement: | Villefranche-sur-Saône |
| Canton: | Tarare |
| Insee: | 69225 |
| Postal Code: | 69170 |
| Mayor: | Hervé Digas[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA de l'Ouest Rhodanien |
| Coordinates: | 45.8758°N 4.435°W |
| Elevation Min M: | 360 |
| Elevation Max M: | 843 |
| Area Km2: | 11.88 |
Saint-Marcel-l'Éclairé (in French pronounced as /sɛ̃ maʁsɛl leklɛʁe/) is a commune in the Rhône department in eastern France.