UBK
| Acronym | Definition |
|---|---|
| UBK | United Bank of Kuwait, PLC (London, England, UK) |
| UBK | Unbleached Kraft (containerboard classification) |
| UBK | Universitas Bung Karno (Indonesian: Bung Karno University; Jakarta, Indonesia) |
| UBK | United Bowhunters of Kentucky (Midway, KY) |
| UBK | Ukrayina Bez Kuchmy (2000-2001 Ukrainian protest) |