Aros

Aros may refer to:


 * Aros (Middle-earth), a river in J. R. R. Tolkien's Middle-earth legendarium
 * Aros, Mull, the location of Aros Castle, a ruined 13th-century castle on the Isle of Mull, Scotland
 * AROS Research Operating System, a free software implementation of AmigaOS
 * Aros, the original Viking name of Aarhus, the second largest city in Denmark
 * ARoS Aarhus Kunstmuseum, an art museum in Aarhus
 * Aros Centre, a cultural centre on the Isle of Skye
 * Asia Regional Organic Standard (AROS)
 * Aros, farm in Kintyre, Scotland, birthplace of William McTaggart senior, Scottish painter

Åros
Åros (with the letter Å) may refer to:
 * Åros, a village in Asker, Norway
 * Åros, Søgne, a village in Southern Norway