| GWIS | Global Weapons Information System | 全球武器信息系统 |
| GWIS | GCCS-AF Windows Installation System | GCCS-AF Windows安装系统 |
| GWIS | Graduate Women in Science | 科学研究生女性 |
| GWIS | Gateway to Internet Services (Hudson, OH) | 互联网服务网关（俄亥俄州哈德逊） |
| GWIS | Global Weather Information System | 全球天气信息系统 |
| GWIS | Gordon West Internet Solutions | Gordon West互联网解决方案 |