| Saint-Jean-de-Marcel | |
| Commune Status: | Commune |
| Arrondissement: | Albi |
| Canton: | Carmaux-1 Le Ségala |
| Insee: | 81254 |
| Postal Code: | 81350 |
| Mayor: | Régis Tesson[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Carmausin-Ségala |
| Coordinates: | 44.0594°N 2.2461°W |
| Elevation M: | 381 |
| Elevation Min M: | 250 |
| Elevation Max M: | 486 |
| Area Km2: | 18.25 |
Saint-Jean-de-Marcel (pronounced as /fr/; Languedocien: Sant Joan de Marcelh) is a commune in the Tarn department in southern France.
The commune is traversed by the Cérou river.