| Grigny | |
| Commune Status: | Commune |
| Arrondissement: | Lyon |
| Insee: | 69096 |
| Postal Code: | 69520 |
| Mayor: | Xavier Odo[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.6092°N 4.7906°W |
| Elevation M: | 160 |
| Elevation Min M: | 152 |
| Elevation Max M: | 245 |
| Area Km2: | 5.75 |
Grigny (pronounced as /fr/) is a commune in the Metropolis of Lyon in Auvergne-Rhône-Alpes region in eastern France.
Grigny became of a member of the Urban Community of Lyon in 2007. On 1 January 2015 Grigny left the department of Rhône to join the Metropolis of Lyon.