| Abbreviation | Definition |
|---|---|
| ILCM | Institute of Local Council Managers |
| ILDC | Industry Leader Development Council |
| ILHAC | Iowa Livestock Health Advisory Council (Iowa State University; Ames, IA) |
| ILLC | Illinois Language and Literacy Council |
| ILLC | Illinois Language Literacy Council |
| ILSAC | Independent Living Services Advisory Council |
| ILTC | Island Lake Tribal Council |
| IMBC | Indonesia Malaysia Business Council |
| IMC | International M2M Council |
| IMC | International Montessori Council |
| IMC | Investment Migration Council |
| IMCC | Integrated Marketing Communications Council |
| IMCV | International Medical Council on Vaccination |
| IMEC | International Maritime Employers Council |
| IMEC | Interstate Migrant Education Council |
| IMPC | International Minerals Processing Council |
| IMSAC | Identity Management Standards Advisory Council |
| IMWC | Inter Ministerial Water Council |
| INC | Indian Nursing Council |
| INCO | Inter Neighborhood Council Organization |