• Dib, a character from the animated television series Invader Zim
• Dibrugarh Airport
  Dibrugarh Airport
  Dibrugarh Airport is located at Dibrugarh, Assam, India.-Airlines and destinations:-External links:* at Airports Authority of India...
  
   IATA code
• Difficulty in breathing, medical jargon/shorthand
• Director of Intelligence Bureau
  Director of Intelligence Bureau (India)
  The director of Intelligence Bureau simply known as DIB is the senior most post in Intelligence Bureau and the only four-star Indian Police Service rank in the country. The current director of Intelligence Bureau is Mr...
  
  , head of the premier intelligence agency of India
• Disability Insurance Benefits, a Title II benefit offered by the US Social Security Administration
• Diyanet İşleri Başkanlığı
  Diyanet Isleri Baskanligi
  In Turkey, the Presidency of Religious Affairs is an official institution established in 1924 after the abolition of the caliphate. Founded by the Grand National Assembly of Turkey as a successor to Sheikh ul-Islam, it represents the highest Islamic religious authority in the country...
  
   (DİB), the highest Islamic religious authority in Turkey
• Dubai Islamic Bank
  Dubai Islamic Bank
  The Dubai Islamic Bank is an Islamic bank in Dubai, established in 1975.-Financial Information:Dubai Islamic Bank , established in 1975, is the first Islamic bank to have incorporated the principles of Islam in all its practices and is the largest Islamic bank in the UAE. DIB is a public joint...
  
  , an Islamic bank based in Dubai, United Arab Emirates
• Mohammed Dib
  Mohammed Dib
  Mohammed Dib was an Algerian author. He wrote over 30 novels, as well as numerous short stories, poems, and children's literature in the French language. He is probably Algeria's most prolific and well-known writer...
  
  , an Algerian author

Military

• Danish International Brigade
  Danish International Brigade
  The Danish International Brigade , short DIB was a Danish military brigade.The political decision to form this brigade was conceived in the Danish Defence agreement 1992-1995. The formal decision to form the Brigade was made by the Folketing on November 25, 1993 and this date is often regarded as...
  
  , a Danish military brigade.
• Defense industrial base
  Defense industrial base
  The term defense industrial base, also known as the defense industrial and technological base, is used in political science to refer to a government's industrial assets that are of direct or indirect importance for the production of equipment for a country's armed forces...
  
  , a political science and military industry term

Science and technology

• Device Interface Board
  DUT board
  DUT boards are used in automated integrated circuit testing where the term DUT stands for device under test, referring to the circuit being tested....
  
  , a component of electronic Automatic Test Equipment (ATE)
• Diffuse interstellar band
  Diffuse interstellar band
  Diffuse interstellar bands are absorption features seen in the spectra of astronomical objects in our galaxy. They are caused by the absorption of light by the interstellar medium...
  
  , an astronomical spectroscopy term
• Dry Ice Bomb
  Dry ice bomb
  A dry ice bomb is a simple bomb-like device. While the simplicity and ease of construction, high bursting pressure, and sound make this dry ice activity appealing for recreational purposes, it can be unpredictable and dangerous, and has led to many injuries - and dry ice bombs are illegal in many...
  
  , a bomb-like device chiefly in non-military/recreational use

Computing

• Device-independent bitmap, a possible file extension of the Windows Bitmap raster graphics format
• Dual independent bus
  Dual independent bus
  Dual Independent Bus is a processor architecture that includes two buses: one to the main system memory and another to the level 2 cache...
  
  , a computer hardware feature