| Acronym | Definition |
|---|
| EIU➣Economist Intelligence Unit |
| EIU➣Eastern Illinois University |
| EIU➣Even If Used |
| EIU➣Effective Interventions Unit (Scotland, UK) |
| EIU➣Experimental Interaction Unit |
| EIU➣Engine Interface Unit |
| EIU➣Ethernet Interface Unit |
| EIU➣Electronic Interface Unit |
| EIU➣External Interface Unit (radar systems) |
| EIU➣Extension In-Use (Telecommunications Industry Association Standards and Technology Department) |
| EIU➣Enterprise Information Unification |
| EIU➣Energy Information Strategies for Unregulated Markets |
| EIU➣Elevator Inspectors Unit (gaming clan) |
| EIU➣European International University |