| Dionay | |
| Arrondissement: | Grenoble |
| Canton: | Le Sud Grésivaudan |
| Insee: | 38145 |
| Postal Code: | 38160 |
| Commune: | Saint-Antoine-l'Abbaye |
| Coordinates: | 45.2039°N 5.2206°W |
| Elevation M: | 520 |
| Elevation Min M: | 392 |
| Elevation Max M: | 625 |
| Area Km2: | 14.01 |
| Population: | 113 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Dionay (in French pronounced as /djɔnɛ/) is a former commune in the Isère department in southeastern France. On 31 December 2015, it was merged into the new commune of Saint-Antoine-l'Abbaye.[2]
Dionay is twinned with:
Sermoneta, Italy, since 2007