| Chaudun | |
| Commune Status: | Commune |
| Arrondissement: | Soissons |
| Canton: | Villers-Cotterêts |
| Insee: | 02172 |
| Postal Code: | 02200 |
| Mayor: | Jérôme Aubert[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Oulchy le Château |
| Coordinates: | 49.3186°N 3.2653°W |
| Elevation M: | 152 |
| Elevation Min M: | 105 |
| Elevation Max M: | 157 |
| Area Km2: | 8.52 |
Chaudun (in French pronounced as /ʃodœ̃/) is a commune in the department of Aisne in Hauts-de-France in northern France.