IMU
- I Measure U
- Imu
- Imu (One Piece)
- Indian Maritime University
- Indiana Memorial Union
- Inertial measurement unit
- Inner Mongolia University
- International Mathematical Union
- International Medical University
- Interurban multiple unit (Queensland Rail)
- Irish Medical Organisation
- Islamic Movement of Uzbekistan
- Istanbul Medeniyet University
- Istanbul Medipol University
- Italian Mathematical Union
- Iwate Medical University
- Markup (business)