| La Magdelaine-sur-Tarn | |
| Commune Status: | Commune |
| Arrondissement: | Toulouse |
| Canton: | Villemur-sur-Tarn |
| Insee: | 31311 |
| Postal Code: | 31340 |
| Mayor: | Isabelle Gayraud[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Val'Aïgo |
| Coordinates: | 43.8128°N 1.5428°W |
| Elevation M: | 116 |
| Elevation Min M: | 85 |
| Elevation Max M: | 122 |
| Area Km2: | 6.82 |
La Magdelaine-sur-Tarn (pronounced as /fr/, literally La Magdelaine on Tarn; oc|La Magdalena de Tarn) is a commune in the Haute-Garonne department in southwestern France.