| UAC | UAE Adventurers Club 
| Others |
| UAC | Uganda AIDS Commission
| Others |
| UAC | Ukrainian Automobile Company
| Others |
| UAC | Ulster Automobile Club
| Others |
| UAC | Ultimate Achievers Club
| Others |
| UAC | Ultimate Airsoft Custom
| Others |
| UAC | Ultra Accessory Connector
| Others |
| UAC | Umbilical Arterial Catheter
| Others |
| UAC | Umbilical Artery Catheter
| Others |
| UAC | Unaccompanied Alien Children
| Others |
| UAC | Unaltered Augsburg Confession
| Others |
| UAC | Undergraduate Advisement Council
| Others |
| UAC | Undergraduate Advising Center
| Others |
| UAC | Undergraduate Advisory Committee
| Others |
| UAC | Understanding and Acceptance AcronymAttic
| Others |
| UAC | Underwriting Agencies Council
| Others |
| UAC | Unemployment Action Center
| Others |
| UAC | Unified Access Control
| Others |
| UAC | Unified Administration Center
| Others |
| UAC | Uniform Annual Charge
| Others |
| UAC | Union Aerospace Corporation
| Others |
| UAC | Union Affiliated Contractors
| Others |
| UAC | United Aerospace Corporation
| Others |
| UAC | United Africa Company
| Others |
| UAC | United Aircraft Corporation
| Others |
| UAC | United America Mortgage Banking Corporation
| Others |
| UAC | United American Committee
| Others |
| UAC | United Artists Corporation
| Others |
| UAC | United Arts Council
| Others |
| UAC | United Asset Coverage, Inc.
| Others |
| UAC | United Astrology Conference
| Others |
| UAC | UNITED Athletic Club
| Others |
| UAC | Universal Access Concentrator
| Others |
| UAC | Universal Access Control
| Others |
| UAC | Universal Air Cargo, PTY, LTD.
| Others |
| UAC | Universal Air Conditioner
| Others |
| UAC | Universal Alloy Corporation
| Others |
| UAC | Universal App campaigns
| Others |
| UAC | Universities Admissions Centre
| Others |
| UAC | University Accessibility Center
| Others |
| UAC | University Activities Commission
| Others |
| UAC | University Activities Council
| Others |
| UAC | University Admission Commission
| Others |
| UAC | University Admissions Centre
| Others |
| UAC | University Advisement Center
| Others |
| UAC | University Advising Center
| Others |
| UAC | University Advisory Council
| Others |
| UAC | University Air Center
| Others |
| UAC | University Animal Care
| Others |
| UAC | University Assessment Committee
| Others |
| UAC | University of Abomey Calavi
| Others |
| UAC | Unlimited Ammo Community
| Others |
| UAC | Unnamed African Country
| Others |
| UAC | Up And Coming
| Others |
| UAC | Urban Affairs Coalition
| Others |
| UAC | Urban Ag Council
| Others |
| UAC | User Access Control
| Others |
| UAC | User Account Control
| Others |
| UAC | User Acount Contol
| Others |
| UAC | User Advisory Committee
| Others |
| UAC | User Agent Client
| Others |
| UAC | User Applications Component
| Others |
| UAC | Utah Asia Campus
| Others |
| UAC | Utah Association of Counties
| Others |
| UAC | Utah Avalanche Center
| Others |
| UAC | Utilities Advisory Commission
| Others |