| Acronym | Definition |
|---|
| ISWP➣Institute for the Study of World Politics |
| ISWP➣Inland Surface Waters Plan (California State Water Resources Control Board) |
| ISWP➣Illinois State Writing Project |
| ISWP➣Indian Steel and Wire Products Limited (est. 1920) |
| ISWP➣Intercollegiate Stroke Working Party (UK) |