ASU, Asu, asu may refer to:

  • ASU-57, Soviet airborne support gun
  • ASU-85, Soviet airborne support gun
  • Aikido Schools of Ueshiba
  • Air separation unit
  • Airport Security Unit (disambiguation)
  • American Servicemen's Union, a union for soldiers founded in 1967, during the Vietnam War
  • Army Service Uniform
  • Australian Services Union
  • Active service unit, individual units with the Provisional Irish Republican Army
  • Arab Socialist Union (disambiguation), the name of a number of political parties in the Arab world
  • Asian Skating Union
  • Arbitrary Strength Unit, a performance value for mobile phone signals
  • Avionics Switching Unit

Read more about ASU:  Education, Places, Transportation