| UCB | U C Berkeley 
| Others |
| UCB | UC Berkeley
| Others |
| UCB | Uganda Commercial Bank
| Others |
| UCB | Ultimate Curry Beer
| Others |
| UCB | Umbilical Cord Blood
| Others |
| UCB | Umwelt Campus Birkenfeld
| Others |
| UCB | Under Contract Backups
| Others |
| UCB | Unemployment Compensation Benefits
| Others |
| UCB | Unified Code Base
| Others |
| UCB | Unintentional Cock Block
| Others |
| UCB | Union Capital Boston
| Others |
| UCB | Union Chemique Belge
| Others |
| UCB | Union Chimique Belge
| Others |
| UCB | Union de Centros Biblicos
| Others |
| UCB | Union des Communistes Burkinabè
| Others |
| UCB | Unit Control Block
| Others |
| UCB | United Campus Benevolence
| Others |
| UCB | United Carolina Bank
| Others |
| UCB | United Christian Broadcasters
| Others |
| UCB | United Collection Bureau
| Others |
| UCB | United Collection Bureau, Inc.
| Others |
| UCB | United Colors of Benetton
| Others |
| UCB | United Community Bank
| Others |
| UCB | United Cricket Board
| Others |
| UCB | Universal Cable Module
| Others |
| UCB | Universal Call Blocking
| Others |
| UCB | Universal Chess Board
| Others |
| UCB | Universidad Central de Bayamón
| Others |
| UCB | University City Boulevard
| Others |
| UCB | University College Birmingham
| Others |
| UCB | University College of Bahrain
| Others |
| UCB | University Conduct Board
| Others |
| UCB | University of California at Berkeley
| Others |
| UCB | University Of California Baloney
| Others |
| UCB | University of California Berkeley
| Others |
| UCB | University of California Brokeback
| Others |
| UCB | University of California Broken
| Others |
| UCB | University of California, Berkeley
| Others |
| UCB | University of Castro's Berkeley
| Others |
| UCB | University of Colorado Boulder
| Others |
| UCB | University of Commiefornia Berkeley
| Others |
| UCB | University of Commierado Bolder
| Others |
| UCB | Unofficial Coffee Break
| Others |
| UCB | Upper Confidence Bound
| Others |
| UCB | Upper Confidence Boundary
| Others |
| UCB | Upper Confidence Bounds
| Others |
| UCB | Upright Citizens Brigade
| Others |
| UCB | Uptown Carwash Boulder
| Others |
| UCB | Urban Cooperative bank
| Others |
| UCB | Urban Cooperative Banks
| Others |
| UCB | Used Cars Buyers
| Others |
| UCB | Usual Cat Box
| Others |