| Term | Full Form | Category |
|---|---|---|
| IENA | Iglesia Evangelica Nacional Amigos | Others |
| IENA | Inland Empire Nurses Association | Others |
| IENA | Inland Empire Nurses Association | Others |
| IENA | International Exchange of North America | Others |
| IENA | Irish Emergency Nurses Association | Others |
| IENA | Irish Emergency Nurses Association | Others |