| Acronym | Definition |
|---|
| RIDA➣Rhode Island Dental Association |
| RIDA➣Rural Industrial Development Authority (est. 1956; Malaysia) |
| RIDA➣Research Institute of Development Assistance (Overseas Economic Cooperation Fund; Tokyo, Japan) |
| RIDA➣Reverse Isotope Dilution Analysis |
| RIDA➣Riverhead Industrial Development Agency (est. 1980; Calverton, NY) |
| RIDA➣Riabilitatori Italiani Disfunzioni Autonome |