| Athesans-Étroitefontaine | |
| Commune Status: | Commune |
| Coordinates: | 47.5975°N 6.5111°W |
| Insee: | 70031 |
| Postal Code: | 70110 |
| Arrondissement: | Lure |
| Canton: | Villersexel |
| Intercommunality: | CC Pays de Villersexel |
| Mayor: | Alain Bizzotto[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 269 |
| Elevation Max M: | 367 |
| Area Km2: | 12.88 |
Athesans-Étroitefontaine is a commune in the Haute-Saône department in the region of Bourgogne-Franche-Comté in eastern France.
Coal mines are operated in the village.