| Saclay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saclay (Essonne).svg |
| Map Size: | 270px |
| Adjustable Map: | Saclay_map.png |
| Map Caption: | Location (in red) within Paris inner and outer suburbs |
| Coordinates: | 48.731°N 2.1724°W |
| Arrondissement: | Palaiseau |
| Canton: | Gif-sur-Yvette |
| Intercommunality: | CA Paris-Saclay |
| Insee: | 91534 |
| Postal Code: | 91400 |
| Mayor: | Michel Senot[1] |
| Term: | 2020 - 2026 |
| Elevation M: | 147 |
| Elevation Min M: | 108 |
| Elevation Max M: | 161 |
| Area Km2: | 13.65 |
Saclay (in French sa.klɛ/) is a commune in the southwestern suburbs of Paris, France. It is located 18.71NaN1 from the centre of Paris. It is best known for the large scientific facility CEA Saclay, mostly dealing with nuclear and particle physics.
Inhabitants of Saclay are known as Saclaysiens in French.
Saclay is served by no station of the Paris Métro (RER), or suburban rail network. The closest station to Saclay is Le Guichet station on Paris RER line B. This station is located in the neighboring commune of Orsay, 3.2km (02miles) to the south of the town center of Saclay.