AUI may stand for: Ethernet's Attachment Unit Interface, a 15-pin D-connector aUI (constructed language), a constructed language The ICAO code for Ukraine International Airlines, Ukraine The National Rail code for Ardlui railway station, United Kingdom Associated Universities, Inc., the corporation that operates the National Radio Astronomy Observatory (NRAO) Amiga User International, a monthly magazine dedicated to the Amiga computer Al Akhawayn University, a university located in Ifrane, Morocco Adaptive user interface Audible user interface, for blind people to use digital devices Attentive user interface Gold monoiodide, chemical formula AuI See also AUIS (disambiguation)