| Acronym | Definition |
|---|
| ISMA➣International Stress Management Association (UK) |
| ISMA➣International Securities Market Association |
| ISMA➣Idle Sense Multiple Access |
| ISMA➣Internet Streaming Media Alliance |
| ISMA➣International Sports Medicine Association |
| ISMA➣Inhibit Sense Multiple Access (Transmission Protocol) |
| ISMA➣International Ship Managers Association |
| ISMA➣International Symposium on Mechatronics and its Applications (IEEE) |
| ISMA➣International Snowmobile Manufacturer's Association |
| ISMA➣International Ship Masters' Association |
| ISMA➣ISC Management Activity |
| ISMA➣Insurance Marketplace Standards Association |
| ISMA➣Improved Satellite Multi-Channel Antenna |
| ISMA➣Information Systems Management Activity/Agency |
| ISMA➣Integrated Service Management Architecture (Sprint) |