| Abbreviation | Definition |
|---|---|
| WGIH | Working Group on Information Highway |
| WGIN | Western Government Information Network |
| WGIS | Washington Geographic Information System |
| WGISC | Washington Geographic Information System Consortium |
| WGLD | Western Great Lakes District |
| WGNM | Weapon Grade Nuclear Materials |
| WGOA | Working Group On Asia |
| WGOD | Working Group On Diversity |
| WGOF | Work Group Occurrence Factor |
| WGOP | Working Group On Program |
| WGP | Working Group Paper |
| WGRP | Working Group on Recruitment Processes |
| WGRR | Radio Regulatory Working Group |
| WGRS | Working Group on Romanization Systems |
| WGRS | World Geographic Reference System |
| WGSI | Within Grade Salary Increase |
| WGSP | Western Grain Stabilization Program |
| WGSS | Strategic Studies Working Group |
| WGWG | Working Group on Working Groups |
| WGWI | Within Group Wage Inequality |