| ISEL | Illinois Snapshot of Early Literacy 
| Others |
| ISEL | Illinois Snapshot of Eearly Literacy
| Others |
| ISEL | Illinois Snapshots of Early Literacy
| Others |
| ISEL | Industrial Syndicalist Education League
| Others |
| ISEL | Institute for the Study of European Laws
| Others |
| ISEL | Instituto Superior de Engenharia de Lisboa
| Others |
| ISEL | Intelligent Systems Engineering Laboratory
| Others |
| ISEL | Interests Skills Experience and Language
| Others |
| ISEL | Interpersonal Support Evaluation List
| Others |
| ISEL | Irish Society for European Law
| Others |