BDU
The abbreviation BDU may refer to:
- Battle Dress Uniform, United States' combat uniforms.
- Befehlshaber der U-Boote (BdU), commander-in-chief of Germany's submarine fleets in WW-II.
- FAA location identifier for Boulder Municipal Airport
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "BDU"