| Flassans-sur-Issole | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Flassans-sur-Issole (83).svg |
| Arrondissement: | Brignoles |
| Canton: | Le Luc |
| Insee: | 83057 |
| Postal Code: | 83340 |
| Mayor: | Jean-Louis Portal[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Cœur du Var |
| Coordinates: | 43.369°N 6.221°W |
| Elevation M: | 235 |
| Elevation Min M: | 203 |
| Elevation Max M: | 527 |
| Area Km2: | 43.68 |
Flassans-sur-Issole (in French pronounced as /flasɑ̃ syʁ isɔl/; Occitan (post 1500);: Flassan d'Içòla) is a commune in the Var department in the Provence-Alpes-Côte d'Azur region in southeastern France.