| Acronym | Definition |
|---|
| MCIU➣Manipulator Controller Interface Unit |
| MCIU➣Montgomery County Intermediate Unit (school district support; Norristown, PA) |
| MCIU➣Major Collision Investigation Unit (Australia) |
| MCIU➣Manipulator Controller Interface Unit (US NASA) |
| MCIU➣Major Crime Investigation Unit (various locations) |