BAF

BAF or Baf may refer to:

Biology

 * Barrier-to-autointegration factor, a family of proteins
 * BRG1, or hbrm-associated factors, a family of proteins; see SWI/SNF re BAF complex

Military

 * Bagram Airfield
 * Balkan Air Force, a late-World War II Allied air formation
 * Bangladesh Air Force
 * Belgian Air Force, previous name of the Belgian Air Component, ICAO code
 * Benefield Anechoic Facility, installed systems for avionics test programs
 * Bophuthatswana Air Force, the aviation branch of the military forces of Bophuthatswana
 * British Armed Forces, the military of the United Kingdom of Great Britain and Northern Ireland
 * Bulgarian Air Force

Other uses

 * Baca language (ISO 639:b), a Southern Bantoid language of Cameroon
 * .baf, a proprietary data format used by Bruker mass spectrometers
 * Baptistina family, an asteroid family
 * Barnes Municipal Airport, IATA airport code
 * Basal area factor, used in forestry to calculate tree cover over land
 * Belarus Athletic Federation
 * Brigade d'autodéfense du français (BAF), an activist grouping in Quebec in defense of French language
 * British Academy of Fencing
 * British Air Ferries, a former airline
 * Building a Future, an organization concerned with child poverty in Latin America
 * Bunker adjustment factor, sea freight charges which represents additions due to oil prices
 * The Turkish name for Paphos, Cyprus