| Garganvillar | |
| Image Coat Of Arms: | Blason ville fr Garganvillar 82.svg |
| Commune Status: | Commune |
| Arrondissement: | Castelsarrasin |
| Canton: | Beaumont-de-Lomagne |
| Insee: | 82063 |
| Postal Code: | 82100 |
| Mayor: | Christian Vignaux[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.9786°N 1.0692°W |
| Elevation M: | 166 |
| Elevation Min M: | 75 |
| Elevation Max M: | 188 |
| Area Km2: | 22.34 |
Garganvillar is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France.