| Abbreviation | Definition |
|---|---|
| IHAC | Ion Highway Advisory Council |
| IHC | Idaho Humanities Council |
| IHC | Illinois Housing Council |
| IHC | Illinois Humanities Council |
| IHC | Industrial Health Council |
| IHC | Inter Hall Council |
| IHHC | Illinois HomeCare and Hospice Council |
| IHHC | Illinois HomeCare Hospice Council |
| IIAC | Industrial Injuries Advisory Council |
| IIC | The International Instructor Council |
| IICC | Illinois Interagency Coordinating Council |
| IIPC | India International Photographic Council |
| IIPC | Interreligious and International Peace Council |
| IISC | Iowa Illinois Safety Council |
| IISSSC | Indian Iron and Steel Sector Skill Council |
| IISSSC | Indian Iron Steel Sector Skill Council |
| IKC | Inter Krewe Council |
| IKC | Inter Krewe Council's |
| IKC | International Kosher Council |
| ILC | International Leadership Council |