| Arçay | |
| Commune Status: | Commune |
| Arrondissement: | Châtellerault |
| Canton: | Loudun |
| Insee: | 86008 |
| Postal Code: | 86200 |
| Mayor: | Alain Noe[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays Loudunais |
| Coordinates: | 46.9694°N 0.015°W |
| Elevation M: | 78 |
| Elevation Min M: | 50 |
| Elevation Max M: | 122 |
| Area Km2: | 14.05 |
Arçay (in French pronounced as /aʁsɛ/) is a commune in the Vienne department in the Nouvelle-Aquitaine region in western France. The inhabitants are called Arçois.