UDK
| Acronym | Definition |
|---|---|
| UDK | Unreal Development Kit (game development software) |
| UDK | University Daily Kansan (University of Kansas; student newspaper) |
| UDK | Umweltdatenkatalog |
| UDK | Unixware Development Kit |
| UDK | Universal Development Kit |
| UDK | Univerzalna Decimalna Klasifikacija (Croatian: Universal Decimal Classification; library science) |
| UDK | User Defined Key |
| UDK | Universal Developer's Kit |
| UDK | Universaliosios Dešimtaines Klasifikacijos (Lithuania) |