| Acronym | Definition |
|---|
| ISDF | International Standard for Describing Functions (International Council on Archives) |
| ISDF | International Sustainable Development Foundation |
| ISDF | Institut de Sûreté de Fonctionnement |
| ISDF | International Space Defense Force (Battlezone game) |
| ISDF | International Dance Sport Federation |
| ISDF | Information Self Defense Force (Splinter Cell: Chaos Theory video game) |
| ISDF | International Student Data Form |
| ISDF | Instituto Superior de Formación Docente |
| ISDF | Information Super Dance Floor |
| ISDF | International Still's Disease Foundation |
| ISDF | Integrated Service Delivery Framework |
| ISDF | Indian Self-Determination Funds |
| ISDF | International Standards Development Forum |
| ISDF | International School Development Foundation |
| ISDF | Industrial Site Development Funds |
| ISDF | Internet Society Discussion Forum |
| ISDF | IP Summary-Description Format (Design and Reuse) |
| ISDF | International Shooter Development Fund |
| ISDF | International Self–Denial Fund (Salvation Army) |
| ISDF | Importance Sampling Density Function |
| ISDF | Information System & Decisions Framework |
| ISDF | Interactive Standard Development Forums |
| ISDF | Indiana Down Syndrome Foundation |
| ISDF | Illegal Self Defense Force |