| Saint-Didier-sous-Aubenas | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Didier-sous-Aubenas (Ardèche).svg |
| Arrondissement: | Largentière |
| Canton: | Aubenas-2 |
| Insee: | 07229 |
| Postal Code: | 07200 |
| Mayor: | Richard Massebeuf[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.6078°N 4.4158°W |
| Elevation M: | 190 |
| Elevation Min M: | 175 |
| Elevation Max M: | 324 |
| Area Km2: | 2.76 |
Saint-Didier-sous-Aubenas (in French pronounced as /sɛ̃ didje su.z‿obna/, literally Saint-Didier under Aubenas; Occitan (post 1500);: Sant Desideri sota Aubenàs) is a commune in the Ardèche department in southern France.