| Jau-Dignac-et-Loirac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Jau-Dignac-et-Loirac 33.svg |
| Arrondissement: | Lesparre-Médoc |
| Canton: | Le Nord-Médoc |
| Insee: | 33208 |
| Postal Code: | 33590 |
| Mayor: | Christian Boura[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.4089°N -0.9567°W |
| Elevation M: | 5 |
| Elevation Min M: | 0 |
| Elevation Max M: | 14 |
| Area Km2: | 41.23 |
Jau-Dignac-et-Loirac (pronounced as /fr/; oc|Jau, Dinhac e Hloirac) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.