| Abbreviation | Definition |
|---|---|
| ICL | Index To Chiropractic Literature |
| ICL | Interactive Command Language |
| ICLC | Iowa Culture and Language Conference |
| ICLL | Index to Canadian Legal Literature |
| ICLL | International Congress on Language Learning |
| ICLO | Italian Culture and Language Organization |
| ICLP | International Chinese Language Program |
| ICLS | Institute for Comparative Literature and Society |
| ICLT | Icelandic Centre for Language Technology |
| IDEAL | Interrupt Driven Extendable Animation Language |
| IDL | Inerface Definition Language |
| IDL | Interface Description Language |
| IDL | Interface Description Languages |
| IDL | Interface Design Language |
| IDLC | Indigenous and Diasporic Language Consortium |
| IELA | Imagine English Language Academy |
| IELA | International English Language Assessment |
| IELI | Intensive English Language Institute |
| IELI | International English Language Institute |
| IELS | Institute of English Language Studies |