| Acronym | Definition |
|---|
| MIB | Management Information Base |
| MIB | Men In Black (movie) |
| MIB | Mint In Box |
| MIB | Master of International Business |
| MIB | Medical Information Bureau |
| MiB | Mebibyte (2^20 bytes) |
| MIB | Mishap Investigation Board |
| MIB | Mint In Bag |
| Mib | Mebibit (2^20 Bits) |
| MIB | Medical Insurance Bureau |
| MIB | Motor Insurer's Bureau |
| MIB | Military Intelligence Board |
| MIB | Methyl Isoborneol |
| MIB | Mexican Investment Board |
| MIB | Milano Indice Borsa (Milan, Italian Stock Exchange) |
| MIB | Mechanized Infantry Battalion |
| MIB | Moscow Industrial Bank |
| MIB | Molecular Imaging Branch |
| MIB | Monitor Integrated Box (computer) |
| MIB | Management Incentive Bonus |
| MIB | Mechanized Infantry Brigade |
| MIB | More Important Bits (communications channel) |
| MIB | Management Information Byte |
| MIB | Microbiologie Industrielle et Biotechnologies (French: Industrial Microbiology and Biotechnology) |
| MIB | Motorized Infantry Brigade |
| MIB | Many International Businesses |
| MIB | Military Integration Bench (aerospace) |
| MIB | Multi-Layer Interconnection Board |
| MIB | Main Interconnect Board |
| MIB | Maintenance Manual Intermediate With IPB (TMINS) |
| MIB | Multi-Layer Insulation Blankets (protection against excessive heat) |
| MIB | Manufacture Information Block (computing) |
| MIB | My Internet Business |
| MIB | Motor Inbound (oil and gas industry) |
| MIB | Metals in Biology (conference) |
| MIB | Making It Big (clothing company; Cotati, CA) |
| MIB | Medienvertrieb in Buchholz (German publisher) |
| MIB | Malaysia, Indonesia, Brunei |