GWIC
| 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) |