| Acronym | Definition |
|---|
| REU➣Research Experience for Undergraduates |
| REU➣Reunion (ISO Country code) |
| REU➣Redding Electric Utility (California) |
| REU➣Ram Expansion Unit |
| REU➣Reservation and Execution Unit |
| REU➣Regional Office for Europe |
| REU➣Residential Equivalent Unit |
| REU➣Research Evaluation Unit (various locations) |
| REU➣Renewable Energies Unit (EU) |
| REU➣Reus, Spain - Reus (Airport Code) |
| REU➣RAID Expansion Unit (hardware description) |
| REU➣Radar Electronics Unit (developed by Lockheed Martin) |
| REU➣Remote Emitter Unit |
| REU➣Radio Electronics Unit |
| REU➣Rated Exposure Unit |