| Acronym | Definition |
|---|
| ISWM➣International Society of Weighing and Measurement (Rockville, MD) |
| ISWM➣Internet Service Werbung Marketing (German: Internet Service Advertising Marketing) |
| ISWM➣Independent Songwriter Web-Magazine |
| ISWM➣Islamic Society of Western Massachusetts (est. 1982) |
| ISWM➣Integrated Scrap and Waste Management |