ASO

ASO or Aso may refer to:

Geography

Aso (river), a river in Italy
Aso River, in Democratic Republic of the Congo
Aso, Kumamoto, Japan
Asō, Ibaraki, a former Japanese town located in Namegata District that is now part of the city of Namegata
Mount Aso, a mountain in Japan
Aso Rock, a large outcrop on the outskirts of Abuja, Nigeria

Japanese cruiser Aso (1905–1932)
Aso-class patrol vessel, a class of large patrol vessels of the Japan Coast Guard, named after Mount Aso

ASO, general secondary education (Algemeen Secundair Onderwijs in Dutch) in Belgium
Aso, a story art in the Philippine comic strip Pugad Baboy
ASO, another name for the arcade game Alpha Mission
Academy Sports + Outdoors, American retail chain
Address Supporting Organization, an Internet-protocol advisory group affiliated with ICANN
Administrative services organization, a company that provides human-resources and other administrative functions to client companies
Amaury Sport Organisation, organiser of the Tour de France and other sporting events
ASO or "anvil-shaped object", a cheap anvil made of inferior materials
Arbitrary slice ordering, an algorithm for loss prevention during image or video compression
App store optimization, a process of improving the visibility of a mobile app in an App Store
Areostationary orbit, a circular synchronous orbit around Mars in the equatorial plane
Australian Screen Online, online database of the Australian National Film and Sound Archive