IB

IB, Ib or ib may refer to:

Business

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

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

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

Ib (given name), a Danish male first name
Ib (cuneiform), a common-use sign in the Epic of Gilgamesh and other cuneiform texts
Ib (video game), a 2012 video game
The Ib Award, presented occasionally by the Danish Film Academy
Ib railway station, a station in the Indian Railways system
Ib Thermal Power Station, near Jharsuguda, Odisha, India
Ibrahim Hussein (artist) or IB, a Malaysian artist
Inclusion bodies, nuclear or cytoplasmic aggregates of stainable substances, usually proteins
Ingrid Burley or IB, American rapper
Intelligent Building, a new standard of modern building in the world
International Baccalaureate, a set of international educational programmes.
International border
Inward Bound, an Australian National University sporting event
Ion beam
Itinerarium Burdigalense, the oldest known road map
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
Ib or I-b, a subtype of Type I supernova, see Type Ib and Ic supernovae
IB printing, a Technicolor concept
Issue Brief, a type of Congressional Research Service Report