| Longessaigne | |
| Commune Status: | Commune |
| Arrondissement: | Lyon |
| Canton: | L'Arbresle |
| Insee: | 69120 |
| Postal Code: | 69770 |
| Mayor: | Michel Rampon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Monts du Lyonnais |
| Coordinates: | 45.7925°N 4.4247°W |
| Elevation M: | 700 |
| Elevation Min M: | 539 |
| Elevation Max M: | 788 |
| Area Km2: | 11.92 |
Longessaigne is a commune in the Rhône department in eastern France.