IB

• Iberia (airline) (IATA airline code)
• Information Builders, a software firm
• International Bank (Liberia)
• International business
• Investment banking
• Internet Brands
• Interstate Batteries
• Intrapreneurial Bricolage

• FBI Intelligence Branch, the United States Federal Bureau of Investigation's branch in charge of intelligence analysis
• Intelligence Bureau (India), the domestic intelligence organization of India
• Intelligence Bureau (Pakistan), the domestic intelligence organization of Pakistan
• IB, a defunct intelligence agency within the Swedish Army involved in the IB affair

• The International Baccalaureate, an educational program
• Intervention Board for Agricultural Produce, a former British government department

• Inclusion bodies, nuclear or cytoplasmic aggregates of stainable substances, usually proteins
• Ion beam, a type of charged particle beam
• I b or I-b, a subtype of Type I supernova; see Type Ib and Ic supernovae
• IB printing, a Technicolor concept

• InfiniBand, a type of computer network technology
• Infinite baffle, in loudspeaker enclosure design
• 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

• Ibuprofen, a non-steroidal anti-inflammatory drug
• Investigator's brochure, a document summarizing pharmacological information about an investigational product

• Ib railway station, a station in the Indian Railways system
• Ib River, a river in India
• Ib Thermal Power Station, near Jharsuguda, Odisha, India
• Ibb Governorate (also spelled "Ib"), Yemen
• International border
• India–Pakistan border or International Border
• Imperial Beach, California, United States
• Ingleby Barwick, a town in North Yorkshire, England

• Ib (video game), a 2012 video game
• The Ib Award, presented occasionally by the Danish Film Academy
• Ib, a variant of the language game Ubbi dubbi
• Ib, a fictional ancient city in H. P. Lovecraft's story "The Doom That Came to Sarnath"
• Ib, a title character of Ib and Little Christina, a Hans Christian Andersen fairy-tale

• Ibrahim Hussein (artist) (1936–2009), Malaysian artist
• Ingrid Burley (born 1986), American rapper

• Ib., abbreviation for Latin ibidem ("in the same place") used in references
• Ib (given name), a Danish male first name
• Ib (cuneiform), a common-use sign in the Epic of Gilgamesh and other cuneiform texts
• Ib, "heart", an Ancient Egyptian concept of the soul or spirit
• Intelligent building, a type of building
• Inward Bound, an Australian National University sporting event
• Itinerarium Burdigalense, the oldest known Christian itinerarium
• Issue Brief, a type of Congressional Research Service Report

{{disambiguation|geo}}