IB
- IB – (i) International Baccalaureate
- IBA – (i) Important Bird Area
- IBD – (i) Inflammatory Bowel Disease
- IBDM – (i) Information Based Decision Making
- IBDS – (i) Integrated Biological Detection System – International Business Development Specialist
- IBM – (i) International Business Machines
- ibo – (s) Igbo language (ISO 639-2 code)
- IBRD – (i) International Bank for Reconstruction and Development (part of the World Bank)
- IBS – (i) Irritable Bowel Syndrome
Read more about this topic: List Of Acronyms And Initialisms: I