| Castillon-en-Auge | |
| Commune Status: | Commune |
| Arrondissement: | Lisieux |
| Canton: | Mézidon Vallée d'Auge |
| Insee: | 14141 |
| Postal Code: | 14140 |
| Mayor: | Gérard Vacquerel[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Lisieux Normandie |
| Coordinates: | 49.0311°N 0.095°W |
| Elevation M: | 155 |
| Elevation Min M: | 49 |
| Elevation Max M: | 170 |
| Area Km2: | 7.23 |
Castillon-en-Auge (in French pronounced as /kastijɔ̃ ɑ̃.n‿oʒ/, literally Castillon in Auge) is a commune in the Calvados department and Normandy region of north-western France.