| UGC | Ukiah Gun Club 
| Others |
| UGC | Ultimate Gamers Community
| Others |
| UGC | Ultrasound Guidelines Council
| Others |
| UGC | Unbreakable Gaming Community
| Others |
| UGC | UnderGround Communications
| Others |
| UGC | UnderGround Crew
| Others |
| UGC | Union Des Grands Crus
| Others |
| UGC | Unipart Group of Companies
| Others |
| UGC | United Galactic Commonwealth
| Others |
| UGC | United Gamers Coalition
| Others |
| UGC | United Gaming Clan
| Others |
| UGC | United Gaming Clans
| Others |
| UGC | United Gaming Community
| Others |
| UGC | United Glass Corporation
| Others |
| UGC | United Greek Council
| Others |
| UGC | Universal Geographic Code
| Others |
| UGC | Universidad La Gran Colombia
| Others |
| UGC | University Governance Council
| Others |
| UGC | University Grant Commission
| Others |
| UGC | University Grants Commission
| Ministry, Education |
| UGC | University Grants Committee
| Others |
| UGC | Unix Games Composer
| Others |
| UGC | Upper Gulf of California
| Others |
| UGC | Uppsala General Catalogue
| Others |
| UGC | Upsala General Catalog
| Others |
| UGC | Urgenchl, Uzbekistan
| Others |
| UGC | Urine Good Company
| Others |
| UGC | USA Genesis Cover
| Others |
| UGC | User Generated Church
| Others |
| UGC | User Generated Content
| Others |