| U&LC | Uppercase and Lowercase 
| Others |
| U/lc | Upper/Lower Case typeset
| Others |
| ULC | Santiago Los-Cerrillos, Chile
| Others |
| ULC | Ukraine Lemon Cake
| Others |
| ULC | Ultimate Living Center
| Others |
| ULC | Ultra Light Car
| Others |
| ULC | Ultra Light Client
| Others |
| ULC | Ultra Light Construction
| Others |
| ULC | Ultra Low Cost
| Others |
| ULC | Undergraduate Learning Center
| Others |
| ULC | Understeer Logic Control
| Others |
| ULC | Underwriters Laboratories of Canada
| Others |
| ULC | Underwriters' Laboratories Canada
| Others |
| ULC | Underwriters' Laboratories of Canada
| Others |
| ULC | Uniform Law Commission
| Others |
| ULC | Unique Leather Color
| Others |
| ULC | Unit Labor Cost
| Others |
| ULC | Unit Labour Cost
| Others |
| ULC | Unit Labour Cost - Staff cost required to provide a given unit of activity
| Others |
| ULC | Unit Level Code
| Others |
| ULC | Unit Level Computer
| Others |
| ULC | Unit- Level Code
| Others |
| ULC | Unit- Level Computer
| Others |
| ULC | United Latino Cocina
| Others |
| ULC | Universal Lending Corporation
| Others |
| ULC | Universal Life Church
| Others |
| ULC | Universal Life Church World Headquarters, Incorporated
| Others |
| ULC | Universal Line Card
| Others |
| ULC | University Learning Center
| Others |
| ULC | University Learning Center's
| Others |
| ULC | University Lutheran Chapel
| Others |
| ULC | Unlimited Liability Company
| Others |
| ULC | Unlimited Liability Corporation
| Others |
| ULC | Unpressurized Logistics Center
| Others |
| ULC | Uplink LAN (Local Area Network) Creator
| Others |
| ULC | Uplink LAN Center
| Others |
| ULC | Upper Left Character
| Others |
| ULC | Upper Limit Chosen
| Others |
| ULC | Upper Limit Constraint
| Others |
| ULC | Urban Land Conservancy
| Others |
| ULC | Urban Libraries Council
| Others |
| ULC | Urban Light Commercial
| Others |
| ULC | Urban Luxury Concept
| Others |
| ULC | USACE Learning Center
| Others |
| ULC | User Language Compiler
| Others |