IB

IB, Ib or ib may refer to:

Arts and entertainment

• "Ib", a language game
• Ib, an ancient city in H. P. Lovecraft's story "The Doom that Came to Sarnath"
• Ibrahim Hussein (artist), a Malaysian artist known as IB
• "Ib", a 2012 video game
• Ice Brothers, a book by Sloan Wilson

In business and economics

• International business
• Investment banking

Businesses and organizations

• Iberia Airlines, the IATA airline designator for which is "IB"
• IB, a defunct intelligence agency within the Swedish Army, involved in the IB affair
• Intelligence Bureau (India), the domestic intelligence organization of India
• Intelligence Bureau (Pakistan), the domestic intelligence organization of Pakistan
• Intelligent Building, new standard of modern building in the world
• Interactive Brokers, an online direct-access stock brokerage firm
• International Baccalaureate, a set of international educational programmes
  • IB Diploma Programme
• International Bank, in Liberia

Places

• Ib (train station), a station in the Indian Railways system
• Imperial Beach, California, located in the extreme southwestern corner of the United States
• Ib River, in India
• International border
• Indo-Pakistani border

Science and technology

Computing

• InfiniBand, a type of computer network link
• Information behavior, a subdiscipline within the field of library and information science
• Interface Builder, a user interface design application on Mac OS X that is part of Xcode
• Invision Power Board, Internet forum software written in PHP

Medicine

• Ibuprofen, a non-steroidal anti-inflammatory drug
• Investigator's brochure, a document summarizing pharmacological information about an investigational product ("IP" or "study drug")

Other uses in science and technology

• Ib or I-b (pronounced "one b"), a subtype of Type I supernova, see Type Ib and Ic supernovae
• Imbibition, a dye-transfer operation; see IB printing in Technicolor
• Inclusion bodies, nuclear or cytoplasmic aggregates of stainable substances, usually proteins
• Ion beam

Other uses

• Ib, a male first name, a variant of Jacob (name)
• Ib (heart), a part of the Egyptian concept of the soul
• Ibid (disambiguation), used to direct a reader to a preceding reference
• Ice Breakers, a brand of candy
• Inward Bound, an Australian National University sporting event
• Issue Brief, a type of Congressional Research Service Report
• Itinerarium Burdigalense, the oldest known itinerarium (road map)
• Ib (cuneiform), a common-use sign in the Epic of Gilgamesh and other cuneiform texts