The meaning of the Acronym IB is...

IB is

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

More Meanings For IB:

• Internal Bus
• Itty Bitty
• I'm Bored
• Internet Boyfriend
• International Baccalaureus
• International Baccalaureate
• Isospin Breaking
• International Baccalau
• Ion Balance
• I Bull
• Intelligent Bullshitters
• Insane Bitch
• Internal Black
• Imperial Bronze
• Interacting Binary

IB is also in:

• Academic Degrees
• Adults
• Chat
• Chemistry
• Colors
• General
• Unfiled