| Abbreviation | Definition |
|---|---|
| ULCHQ | Universal Life Church World Headquarters |
| ULCNet | Universal Life Church Network |
| ULE | Ethnic greeting meaning "Mate" |
| ULF | Unidentified Life Forecast |
| ULI | Union List Of Israel |
| ULT | United Lodge of Theosophists |
| UM | United Methodist |
| UM | Universal Message |
| UMA | World Muslim Community |
| UMAA | Universal Muslim Association of America |
| UMAH | United Muslims Association of Hong |
| UMBC | Union Missionary Baptist Church |
| UMC | Unionville Moravian Church |
| UMC | United Methodist Church |
| UMCA | Ummah Muslim Converts Ability |
| UMH | United Methodist Homes |
| UMH | United Methodist Hymnal |
| UMHNJ | United Methodist Homes of New Jersey |
| UMI | Universitas Muslim Indonesia |
| UMI | Unwanted Muslim Invaders |