IBM is short form for International Business Machines, an American multinational technology and consulting corporation, with headquarters in Armonk, New York.
IBM may also refer to:
- IBM (atoms), a demonstration of the creation of the initials "IBM" using individual atoms in 1990
- Identity based motivation, a social psychological theory of human motivation and goal pursuit
- Inclusion body myositis, an inflammatory muscle disease
- Injection blow molding, blow molding manufacturing process
- Interacting boson model, in nuclear physics
- International Brotherhood of Magicians
- itty bitty machine company, or "ibm", a small computer retail store in Evanston, Illinois, United States
- Izu–Bonin–Mariana Arc system, a plate tectonic convergent boundary in the Pacific Ocean
- Invisible Black Matter, a fictional substance in Ajin: Demi-Human