| IEN | Idaho Education Network 
| Others |
| IEN | Impact Evaluation Network
| Others |
| IEN | Imperial Elven Navy
| Others |
| IEN | In Each Nostril
| Others |
| IEN | Indigenous Education Network
| Others |
| IEN | Indigenous Environmental Network
| Others |
| IEN | Industrial Engineering News
| Others |
| IEN | Industrial Equipment News
| Others |
| IEN | Information Exchange Network
| Others |
| IEN | Insight Exchange Network
| Others |
| IEN | Institute for Electronics and Nanotechnology
| Others |
| IEN | Institute for Electronics and Nanotechnology
| Others |
| IEN | Institute for Engagement Negotiation
| Others |
| IEN | Institute for Engagement Negotiation
| Others |
| IEN | Institute for Environmental Negotiation
| Others |
| IEN | Insurance Exchange Navigators
| Others |
| IEN | Integrated Energy Network
| Others |
| IEN | Integrated Enterprise Network
| Others |
| IEN | Intelligent Edge Network
| Others |
| IEN | Intelligent Edge Network
| Others |
| IEN | Intelligent Emergency Network
| Others |
| IEN | Intentional Endowments Network
| Others |
| IEN | Internal Engineering Notice
| Others |
| IEN | Internationally Educated Nurses
| Others |
| IEN | Internationally Educated Nurses
| Others |
| IEN | Internet Engineering Note
| Others |
| IEN | Internet Engineering Note
| Others |
| IEN | Internet Engineering Notes
| Others |
| IEN | Internet Experiment Note
| Others |
| IEN | Internet Experiment Notes
| Others |
| IEN | Interrupt Enable Register
| Others |
| IEN | Interrupt Enable Register
| Others |
| IEN | IOTA Evangelist Network
| Others |
| IEN | Irish Environmental Network
| Others |
| IEN | Italian Entertainment Network
| Others |
| IEN | Italian Entertainment Network
| Others |
| IEN | The International Education Network
| Others |