| Gallardon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gallardon (Eure-et-Loir).svg |
| Arrondissement: | Chartres |
| Canton: | Auneau |
| Insee: | 28168 |
| Postal Code: | 28320 |
| Mayor: | Yves Marie[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 48.5256°N 1.6908°W |
| Elevation M: | 140 |
| Elevation Min M: | 107 |
| Elevation Max M: | 158 |
| Area Km2: | 11.27 |
Gallardon (in French pronounced as /ɡalaʁdɔ̃/) is a commune in the Eure-et-Loir department in northern France.