| Abbreviation | Definition |
|---|---|
| ICDL | International Childrens Digital Library |
| ICD-O | International Classification of Diseases for Oncology |
| ICEB | International Council on English Braille |
| ICFL | Idaho Commission For Libraries |
| ICH | Information Clearing House |
| ICH | International Conference on Harmonisation (MedDRA) |
| ICML | International Comm. of Medical Librarians |
| ICML | International Congress on Medical Librarianship |
| ICPL | Iowa City Public Library |
| ICSL | International Conference of Slavic Libraries |
| IDAL | International Directory of Art Libraries |
| IDC | International Documents Collection |
| IDLC | International Digital Library Conference |
| IDLD | Institute on Digital Library Development |
| IDLE | Intrusion Data Library Enterprise |
| IDLN | Indonesia Digital Library Network |
| IDLN | Indonesian Digital Libraries Network |
| IDLN | Indonesian Digital Library Network |
| IDP | Internet Dictionary Project |
| IEDL | Indiana Eugenics Digital Library |