| Euffigneix | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Euffigneix (Haute-Marne).svg |
| Arrondissement: | Chaumont |
| Canton: | Chaumont-1 |
| Insee: | 52193 |
| Postal Code: | 52000 |
| Mayor: | Frédéric Mutz[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Chaumont |
| Coordinates: | 48.1306°N 5.0458°W |
| Elevation M: | 310 |
| Area Km2: | 9 |
| Demonym: | Euffinois, Euffinoises |
Euffigneix (in French pronounced as /øfiɲɛ/) is a commune in the Haute-Marne department in north-eastern France.