| Acronym | Definition |
|---|
| ISSDA | Indian Stainless Steel Development Association |
| ISSDA | Irish Social Science Data Archive |
| ISSDA | Iowa State Sheriffs & Deputies Association (Atlantic, IA) |
| ISSDA | Italian Stainless Steel Development Association |
| ISSDA | Igniting Skills for Sustainability, Development Agency (Canada) |
| ISSDA | International Ski School Directors' Association |
| ISSDA | Information Systems Software Design Associates (Knoxville, Tennessee) |
| ISSDA | Indian Services Special Disbursing Agent |
| ISSDA | Intelligent Substation Switching Decision Aid |