The International Boxing Federation is one of the four major boxing organisations.
IBF may also refer to: Businesses International Banking Facility, a legal entity of a US bank Irish Banking Federation, a banking representative body in Ireland
Sports International Bandy Federation, former name of Federation of International Bandy (FIB), the international governing body for bandy International Badminton Federation, former name of Badminton World Federation (BWF), the international governing body for badminton International Bowling Federation Iran Basketball Federation, a basketball league in Iran
Other Invertible Bloom filter, a probabilistic set data structure