| Term | Full Form | Category |
|---|---|---|
| WGRS | Walnut Gulch Rainfall Simulator | Others |
| WGRS | Washington Government Relations Services | Others |
| WGRS | White Glove Restoration Services | Others |
| WGRS | Williams Guide Receiver Sight | Others |
| WGRS | Wisconsin Garden Railway Society | Others |
| WGRS | Word Graphic Rating Scale | Others |
| WGRS | Working Group on Romanization Systems | Others |