Look up atu in Wiktionary, the free dictionary.

Atu may refer to:

• Atu, a character in Samoan mythology
• Atu Bosenavulagi, an Australian rules footballer
• Atu, Iran, a village in Iran
• Atu Moli, New Zealand rugby union player
• Atu'u, a village on Tutuila Island, American Samoa

ATU may refer to:

Organizations

• African Telecommunications Union
• Allameh Tabataba'i University
• Amalgamated Transit Union
• Arkansas Tech University
• Atlantic Technological University
• ATU Network was a caucus group within the Amicus trade union
• Autoridad de Transporte Urbano
• Anti-Terrorist Unit (Liberia)
• Lučko Anti-Terrorist Unit
• Asian Taekwondo Union, the official governing body for Taekwondo in Asia

Other uses

• Aarne–Thompson–Uther classification, a catalogue of folktale types
• Abstract Tribe Unique, rap musicians using #ATU hashtag
• Accumulated thermal unit
• Address translation unit
• Antenna tuning unit
• Finnish Rapid Deployment Force#Amphibious Task Unit
• Antenatal testing unit
• Assessment and treatment unit
• Autonomous territorial unit, a type of administrative division in Moldova