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, an autonomous type of administrative division in Moldova