| Trois-Fontaines-l'Abbaye | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Trois-Fontaines-l'Abbaye.svg |
| Arrondissement: | Vitry-le-François |
| Canton: | Sermaize-les-Bains |
| Insee: | 51583 |
| Postal Code: | 51340 |
| Mayor: | Étienne Gaillard[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Saint-Dizier Der et Blaise |
| Coordinates: | 48.7186°N 4.9503°W |
| Elevation M: | 169 |
| Area Km2: | 43.71 |
Trois-Fontaines-l'Abbaye (pronounced as /fr/; "Three Fountains Abbey") is a commune in the northeastern French department of Marne.