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
  • The IATA airport code for Bardufoss Airport, Norway
  • Bharathidasan University, a university in the city of Tiruchirapalli, Tamil Nadu state, India