UAI may refer to:

• Union Académique Internationale, French for International Union of Academies
• Universities Admission Index
• Union astronomique internationale, the French name for the International Astronomical Union
• Unione Astrofili Italiani
• 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

This disambiguation page lists articles associated with the title UAI.
If an internal link led you here, you may wish to change the link to point directly to the intended article.