Other
- Ib, a male first name, a variant of Jacob (name)
- Ib, the heart, a part of the Egyptian Soul
- Ibn Battuta, a 14th-century Islamic scholar and traveler known for his book Rihla
- Itinerarium Burdigalense, the oldest known itinerarium
- International Baccalaureate, a qualification
- IB Diploma Programme
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