| Acronym | Definition |
|---|
| IMU | I Miss You |
| IMU | Inertial Measurement Unit |
| IMU | Imposta Municipale Unica (Italian: Single Municipal Tax) |
| IMU | International Medical University (Malaysia) |
| IMU | Islamic Movement of Uzbekistan |
| IMU | International Mathematical Union |
| IMU | Indiana Memorial Union (Indiana University) |
| IMU | Iowa Memorial Union |
| IMU | Inertial Motion Unit (sensors) |
| IMU | Inertial Measuring Unit |
| IMU | Inner Mongolia University |
| IMU | Information Management Unit |
| IMU | Industrial Mixed Use (zoning) |
| IMU | Indian Maritime University (India) |
| IMU | Interactive Marketing Unit (Internet advertising) |
| IMU | Innsbruck Medical University (Innsbruck, Austria) |
| IMU | Interest Make-Up (finance) |
| IMU | Institut für Medienforschung und Urbanistik (Germany) |
| IMU | Intensive Management Unit |
| IMU | Irish Missionary Union (Ireland) |
| IMU | Israel Mathematical Union |
| IMU | Indre Missions Ungdom (Denmark) |
| IMU | International Marine Underwriters |
| IMU | Initial Mark-Up (difference between the cost of a good sold and its retail price) |
| IMU | Incident Management Utility (Civil Air Patrol) |
| IMU | In My Understanding |
| IMU | Interurban Multiple Unit (Australia) |
| IMU | International Metaphysical University (Vienna, WV) |
| IMU | Imágenes y Muebles Urbanos |
| IMU | Income Maintenance Unit |
| IMU | Institute for Management and Environment |
| IMU | International Metallurgists Union |
| IMU | Inertial Mapping Unit |
| IMU | Inert Mine, Unmodified |
| IMU | Inertia Navigational Measurement Unit (NASA) |
| IMU | Interactive Member Universal |
| IMU | Interactive Multimedia Unit |
| IMU | Internal Measuring Unit |
| IMU | International Measurements Unit |
| IMU | International Measurement University |
| IMU | Impact Meteorology Unit (US NOAA) |
| IMU | Internationales Schwimm-Meeting Uster |
| IMU | Intermediate Maintenance Unit |
| IMU | Intuitive Music Unit (band) |