| Coulommes-et-Marqueny | |
| Commune Status: | Commune |
| Arrondissement: | Vouziers |
| Canton: | Attigny |
| Insee: | 08134 |
| Postal Code: | 08130 |
| Mayor: | Guy Decloux[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Crêtes Préardennaises |
| Coordinates: | 49.4358°N 4.5803°W |
| Elevation M: | 108 |
| Elevation Min M: | 95 |
| Elevation Max M: | 177 |
| Area Km2: | 11.99 |
Coulommes-et-Marqueny (in French pronounced as /kulɔm e maʁkəni/) is a commune in the Ardennes department in northern France.