| Acronym | Definition |
|---|
| MBI | Modular Building Institute |
| MBI | Moody Bible Institute |
| MBI | Mathematical Biosciences Institute |
| MBI | Management Buy-In |
| MBI | Mechanical Breakdown Insurance |
| MBI | McKnight Brain Institute (University of Florida) |
| MBI | Maslach Burnout Inventory (psychometrics) |
| MBI | Molecular Biology Institute |
| MBI | Molecular Breast Imaging (medical test) |
| MBI | Medizin-Bibliothek-Information (German) |
| MBI | Max-Born-Institute |
| MBI | Medizinische und Biologische Informatik (German: Division of Medical and Biological Informatics) |
| MBI | Metropolitan Bureau of Investigation (Orlando, FL) |
| MBI | Market-Based Instrument |
| MBI | Moser Baer India Ltd. |
| MBI | Minimum Background Investigation |
| MBI | Massachusetts Biomedical Initiatives |
| MBI | Modified Barthel Index |
| MBI | Matsushita Battery Industrial Co Ltd |
| MBI | Metal Building Insulation |
| MBI | Mill Brook Industries |
| MBI | Messianic Bureau International |
| MBI | Music and Brain Information (Database) |
| MBI | Microproducts Breakthrough Institute |
| MBI | Maryland Biotechnology Institute |
| MBI | Molekylærbiologisk Institutt (Norwegian: Department of Molecular Biology; University of Bergen) |
| MBI | McDonald Bradley Inc. |
| MBI | Marine Biotechnology Institute (Japan) |
| MBI | Montana Behavioral Initiative |
| MBI | Messianic Bible Institute |
| MBI | Millimeter-Wave Bolometric Interferometer |
| MBI | Minaj Broadcast International |
| MBI | Mobile Business Intelligence |
| MBI | Manpower Buildup Index |
| MBI | Montana Business Incubator |
| MBI | Master's Degree Programme in Bioinformatics |
| MBI | Memphis Business Interiors |
| MBI | MIN Block Identifier |
| MBI | Media.Broadcast.Internet |
| MBI | Mass Burn Incineration |
| MBI | My Background Instantly |
| MBI | Marine Biomedical Institute |
| MBI | McIntire Business Institute |
| MBI | Mediterranean Broadband Infrastructure |
| MBI | Management by Interaction |
| MBI | Multibus I (computer) |
| MBI | MicroBanking International |
| MBI | Machaneh Bonim B'Israel |
| MBI | Master Builder International (Colorado) |
| MBI | Montana Board of Investments |
| MBI | Mandatory Building Inspection |
| MBI | Major Budget Issue |
| MBI | MotorBooks Italiano |
| MBI | Media Boston International |
| MBI | Mat Bevel Institute (Tucson, Arizona) |
| MBI | Millimetre Bolometric Interferometer |
| MBI | Map Based Interface |
| MBI | Maine Business Indicators |
| MBI | Math Box, Inc. |
| MBI | Message Billing Index |
| MBI | Morning Bulletin Index |
| MBI | Mellin-Barnes Integral |
| MBI | Microcomputer Business International |
| MBI | Mission Bus Interface |
| MBI | Mercedes-Benz Institute (training center at its Alabama plant) |
| MBI | Message Billing Indicator |
| MBI | Media Bistro Inc. |
| MBI | Message-Based Infrastructure |
| MBI | Mind Body Institute, LLC (Nashville, TN) |
| MBI | Mild Brain Injury |
| MBI | Meridian Bioscience, Inc. (Cincinnati, OH) |
| MBI | Munchausen by Internet (psychology) |