AUI may stand for:
Auisle or Óisle (Old Norse: Ásl or Auðgísl; died c. 867) was a Viking leader in Ireland and Scotland in the mid-late ninth century.
aUI /auiː/ is a constructed language created by W. John Weilgart (1913–1981), a philologist and psychoanalyst originally from Vienna, Austria.
Kurtis Ling (born October 2, 1992), often known by his in-game name Aui_2000, is a Canadian professional Dota 2 player.
The Aviones or Auiones (*Awioniz meaning "island people") were one of the Nerthus-worshipping Germanic tribes of the 1st century mentioned by Tacitus in Germania, and they lived either in the southern Jutland Peninsula, or on Öland.
The Iberoamerican Association of Postgraduate Universities (Spanish: Asociación Universitaria Iberoamericana de Postgrado), also known as AUIP, is an international non-governmental organization, recognized by the UNESCO, whose primary objective is the promotion of postgraduate and doctoral studies in Ibero-America.
Auinger is a surname. Notable people with the surname include:
Karankawa (also Karankawan, Comanches, Cocos, and called in their language Auia) are a tribe of Native Americans, now a restored nation, who played a pivotal part in early Texas history.
Awilix (/äwiˈliʃ/) (also spelt Auilix and Avilix) was a goddess (or possibly a god) of the Postclassic K'iche' Maya, who had a large kingdom in the highlands of Guatemala.
Ahuitzotl (Nahuatl: āhuitzotl, pronounced [aːˈwit͡sot͡ɬ]) was the eighth Aztec ruler, the Hueyi Tlatoani of the city of Tenochtitlan, son of princess Atotoztli II.