| Montignac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Montignac (65).svg |
| Arrondissement: | Tarbes |
| Canton: | Moyen Adour |
| Insee: | 65321 |
| Postal Code: | 65690 |
| Mayor: | Rémi Carmouze[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Tarbes-Lourdes-Pyrénées |
| Coordinates: | 43.185°N 0.1508°W |
| Elevation M: | 500 |
| Elevation Min M: | 364 |
| Elevation Max M: | 486 |
| Area Km2: | 1.07 |
Montignac (in French pronounced as /mɔ̃tiɲak/; Occitan (post 1500);: Montinhac) is a commune in the Hautes-Pyrénées department in south-western France.