| Abbreviation | Definition |
|---|---|
| ILRC | Indian Law Resource Center |
| ILRF | International Labor Rights Fund |
| ILS | International Life Saving Federation |
| ILSC | Integrated Living Systems Consortium |
| ILT | Institute of Learning and Teaching |
| ILTC | International Leadership Training Committee |
| ILTF | Indian Land Tenure Foundation |
| ILTI | International Leadership Training Institute |
| IM | The Impact Movement |
| IMA | Interchurch Medical Assistance |
| IMAI | Interchurch Medical Assistance, Inc. |
| IMDY | Institute of Meditation and Yoga |
| IMF | Infant Mortality Fund |
| IMF | Intrepid Museum Foundation |
| IMH | International Mission of Hope |
| IMIS | Institute for Multimedia and Interactive Systems |
| IMIS | Integrated Membership Information System |
| IMIT | Institute of Management and Information Technology |
| IMKC | International Mums and Kids Club |
| IMMRAC | Israel Marine Mammal Research & Assistance Center |