ATU

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

Universities

• Allameh Tabataba'i University, Iran
• Arkansas Tech University, United States
• Atlantic Technological University, Ireland

Other organizations

• African Telecommunications Union
• Amalgamated Transit Union, trade union in Canada and the US
• ATU Network, a caucus group within the Amicus trade union
• Autoridad de Transporte Urbano or Urban Transport Authority, Lima, Peru
• Anti-Terrorist Unit (Liberia)
• Lučko Anti-Terrorist Unit, Croatia
• Asian Taekwondo Union, the official governing body for Taekwondo in Asia

Other uses

• Aarne–Thompson–Uther Index, a catalogue of folktale types
• Abstract Tribe Unique, rap musicians using #ATU hashtag
• Amphibious Task Unit
• Antenna tuning unit
• Autonomous territorial unit, a type of administrative division in Moldova