| Aire | |
| Map: | Aire (rivière).png |
| Mouth Coordinates: | 49.3078°N 4.8214°W |
| Subdivision Type1: | Country |
| Length: | 125km (78miles) |
| Discharge1 Avg: | 13m3/s |
| Basin Size: | 1043km2 |
The Aire (in French pronounced as /ɛːʁ/) is a river of northern France, crossing the departments of Meuse and Ardennes. It is a right tributary of the Aisne. It is 124.8km (77.5miles) long. Its source is near Saint-Aubin-sur-Aire in Meuse. It flows through the towns of Pierrefitte-sur-Aire, Clermont-en-Argonne, Varennes-en-Argonne and Grandpré, finally flowing into the Aisne in Termes.