ISWM
| 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 |