| Acronym | Definition |
|---|
| GWIC➣Global Warming International Center |
| GWIC➣Ground Water Information Center (Montana Bureau of Mines and Geology, Butte, Montana) |
| GWIC➣Gravitational Wave International Committee (est. 1997) |
| GWIC➣Great Western Insurance Company (est. 1983; Ogden, UT) |
| GWIC➣Great Wall Industry Corporation (China) |
| GWIC➣GNU (GNU's Not Unix) Wavelet Image Codec (algorithm) |