UAI

'''UAI''' may refer to:

* Union Académique Internationale, French for ''International Union of Academies'' * Universities Admission Index, a system used for Australian university entrance * ''Union astronomique internationale'', the French name for the International Astronomical Union * Unione Astrofili Italiani, the Italian Amateur Astronomers Union * Universal Armament Interface * ''Universidad Adolfo Ibáñez'', Spanish for Adolfo Ibáñez University * ''Universidad Abierta Interamericana'', Spanish for Interamerican Open University * Unprotected Anal Intercourse * Uruguayan Antarctic Institute * Uncertainty avoidance index, the amount of tolerance of unpredictability

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