| Parnay | |
| Commune Status: | Commune |
| Arrondissement: | Saumur |
| Canton: | Saumur |
| Insee: | 49235 |
| Postal Code: | 49730 |
| Mayor: | Éric Lefièvre[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Saumur Val de Loire |
| Coordinates: | 47.2319°N 0.0092°W |
| Elevation M: | 32 |
| Elevation Min M: | 26 |
| Elevation Max M: | 101 |
| Area Km2: | 6.54 |
| Demonym: | Parnaisien, Parnaisienne |
Parnay (in French pronounced as /paʁnɛ/) is a commune in the Maine-et-Loire department in western France. It is known for its 11th-Century church. Parnay is one of the nine communes that is in the AOC Saumur-Champigny and fruit Red Wine made from Cabernet Franc.
The Greenwich Prime Meridian passes through Parnay, as does its satellite-calculated successor, the IERS Reference Meridian, which runs about 100 metres to the east of it.
Another way of putting this is to say that Parnay lies due south of the Royal Observatory, Greenwich.