IDDI
| Acronym | Definition |
|---|---|
| IDDI | Infrared Difference Dust Index (climatology product) |
| IDDI | International Drug Development Institute |
| IDDI | Illicit Drug Diversion Initiative (Australian Institute of Health and Welfare) |
| IDDI | Institute for Developmental Disabilities, Inc. (Assonet, MA) |
| IDDI | Instituto de Desarrollo Integral (Spanish: Institute for Integrated Development; California) |