| Acronym | Definition |
|---|
| GWIS➣Graduate Women in Science |
| GWIS➣Gateway to Internet Services (Hudson, OH) |
| GWIS➣Generic Weapons Interface System (software) |
| GWIS➣Global Weapons Information System |
| GWIS➣Global Weather Information System |
| GWIS➣Garbage Wrapped in Skin |
| GWIS➣GCCS-AF Windows Installation System |