| UGN | U Go Now
| Others |
| UGN | Ugn Gnu Nug
| Others |
| UGN | Ulft Gelderland the Netherlands
| Others |
| UGN | Unbounded Generating Number
| Others |
| UGN | UnderGround News
| Others |
| UGN | Undergrounds Network
| Others |
| UGN | United Gaming Network
| Others |
| UGN | United Good Neighbors
| Others |
| UGN | United Grassroots Network
| Others |
| UGN | Untouchables Gaming Network
| Others |
| UGN | Urbane Groove Network
| Others |
| UGN | Uroguanylin
| Others |
| UGN | User Group Network
| Others |
| UGN | Users Group Newsletter
| Others |
| UGN | Utah Games Network
| Others |
| UGN | Waukegan Regional Airport, Waukegan, Illinois USA
| Others |