| Leignes-sur-Fontaine | |
| Commune Status: | Commune |
| Arrondissement: | Montmorillon |
| Canton: | Chauvigny |
| Insee: | 86126 |
| Postal Code: | 86300 |
| Mayor: | Pierre Charles Preher[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.5067°N 0.7778°W |
| Elevation M: | 150 |
| Elevation Min M: | 82 |
| Elevation Max M: | 157 |
| Area Km2: | 32.37 |
Leignes-sur-Fontaine (in French pronounced as /lɛɲ syʁ fɔ̃tɛn/) is a commune in the Vienne department in the Nouvelle-Aquitaine region in western France.