| Croignon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Croignon (Gironde).svg |
| Arrondissement: | Bordeaux |
| Canton: | Créon |
| Insee: | 33141 |
| Postal Code: | 33750 |
| Mayor: | Jean-Frédéric Cousso[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Coteaux Bordelais |
| Coordinates: | 44.8206°N -0.3442°W |
| Elevation M: | 66 |
| Elevation Min M: | 26 |
| Elevation Max M: | 103 |
| Area Km2: | 4.62 |
Croignon (in French pronounced as /kʁwaɲɔ̃/; Occitan (post 1500);: Cronhon) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.