The meaning of the Acronym IB is...

IB is

• Issue Book
• Infantry Battalion
• Instructor B
• Incendiary Bomb
• Intelligence Bureau

More Meanings For IB:

• International Baccalaureus
• International Baccalaureate
• Isospin Breaking
• International Baccalau
• Ion Balance
• Industrial Brownhoist
• Intellectual Brains
• Integrated Business
• Imperial Blogger
• Isaac Butts
• Internal Bus
• Investigator's Brochure
• Issue Book
• Infantry Battalion
• Instructor B

IB is also in:

• Academic Degrees
• Chemistry
• Famous
• FDA
• Firms
• General
• Military
• Positions