UIC eller uic har flere betydninger:
Indenfor uddannelse: Underwood International College - en afdeling af Yonsei University United International College - en liberal kunst college i Kina University of Illinois at Chicago
Indenfor myndigheder: Uganda Insurance Commission - en myndighedsagentur Unit Identification Code - en alfanumerisk kode anvendt af USAs Department of Defense
Indenfor organisationer: Den Internationale Jernbaneunion (International Union of Railways, Union Internationale des Chemins de fer) UEFA Intertoto Cup Union of Islamic Courts - en bevæbnet gruppe i Somalia, nu kaldet "Supreme Islamic Courts Council" United Industrial Corporation Ltd - en Singapore virksomhed ejet af JG Summit Holdings
Indenfor datalogi: User identification code - brugernummeret i Files-11 filsystemet i RSX-11 operativsystemet
Andre anvendelser: Uranium Information Centre - en nedlagt webside sponsoret af uranmine virksomheder UIC (band) - et punk rock band fra Canada UIC Flames - the intercollegiate athletic program fra University of Illinois at Chicago