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

See also

• Aro (disambiguation)