| Abbreviation | Definition |
|---|---|
| IDCA | Iowa Defense Counsel Association |
| IDEA | Industry Data Exchange Association |
| IDEA | International Dance Exercise Association |
| IDFA | Internal Dairy Functions Association |
| IDFA | International Dairy Farmers Association |
| IDFTA | International Dwarf Fruit Tree Association |
| IDGA | Indiana Dairy Goat Association |
| IDGA | Iowa Dairy Goat Association |
| IDIA | International Dental Implant Association |
| IDLA | Illinois Deaf Latino Association |
| IDLA | Iowa Distance Learning Association |
| IDLYAM | I don't like you anymore |
| IDMA | Indian Drug Manufacturers' Association |
| IDMA | Indian Drugs Manufacturers Association |
| IDMA | Insurance Data Management Association |
| IDMA | International Dancing Masters Association |
| IDMA | International Diamond Manufacturers Association |
| IDMA | International Doll Makers Association |
| IDNA | Irish Dental Nurses Association |
| IDOA | Illinois DARE Officers Association |