| Mareuil-sur-Arnon | |
| Commune Status: | Commune |
| Arrondissement: | Bourges |
| Canton: | Chârost |
| Insee: | 18137 |
| Postal Code: | 18290 |
| Mayor: | François Legnier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC Fercher – Pays florentais |
| Coordinates: | 46.8819°N 2.16°W |
| Elevation M: | 155 |
| Elevation Min M: | 132 |
| Elevation Max M: | 172 |
| Area Km2: | 25.89 |
Mareuil-sur-Arnon (in French pronounced as /maʁœj syʁ aʁnɔ̃/, literally Mareuil on Arnon) is a commune in the Cher department in the Centre-Val de Loire region of France.
A forestry and farming area comprising the village and several hamlets situated by the banks of the river Arnon, some 18miles southwest of Bourges, at the junction of the D18, D14 and the D87 roads. The commune shares its north-western border with the departement of Indre.