| Acronym | Definition |
|---|
| IBM | International Business Machines Corporation |
| IBM | International Business Management (college program) |
| IBM | International Business and Marketing (various organizations) |
| IBM | Inclusion Body Myositis (inflammatory muscle disease) |
| IBM | Intercontinental Ballistic Missile (also ICBM) |
| IBM | Indian Bureau of Mines (India) |
| IBM | Integrated Business Management (Sales & Operations Planning) |
| IBM | International Brotherhood of Magicians |
| IBM | Integrated Border Management |
| IBM | Immersed Boundary Method (mathematics) |
| IBM | Individual-Based Modeling |
| IBM | Injection Blow Moulding |
| IBM | Izu-Bonin-Mariana (island arc) |
| IBM | International Bank of Miami (Florida) |
| IBM | International Business Machines |
| IBM | Intelligent Battery Management |
| IBM | Initial Body Mass |
| IBM | Irritable Bowel Movement |
| IBM | International Board Meeting (various organizations) |
| IBM | I Buy Macintosh |
| IBM | Institut des Biosciences Marines (French; Canada) |
| IBM | Ich Bin Müde (German: I Am Tired) |
| IBM | Integrated Business Module |
| IBM | Ideal Breeding Material |
| IBM | Issue Based Module (various organizations) |
| IBM | Inclusion Body Myopathy |
| IBM | Italian By Marriage |
| IBM | International Baptist Missions |
| IBM | Intensive Bowel Movement |
| IBM | Internal Bench Mark (procurement) |
| IBM | Inspection by Modularization |