Aire may refer to: In rivers:
- River Aire, a river in Yorkshire, England
- Aire (Aisne), a river in the Ardennes département, northern France
- Aire River (Switzerland), a river in the Canton of Geneva, in Switzerland
In towns:
- Aire-sur-la-Lys, a town in the Pas-de-Calais département in France
- Aire-la-Ville, a municipality in the Canton of Geneva, in Switzerland
- Aire-sur-l'Adour, a town of Aquitaine, in the Landes département
- Aire, Ardennes, a commune in the Ardennes département in France
In other:
- Aire (program), a wireless network discovery program for Windows
- AIRE, an acronym for Autoimmune Regulator
- The Siege of Aire was a military action in 1710 in the War of the Spanish Succession
- Aire Diocese in France
