GWC
- Dutch West India Company
- Gambian Workers' Confederation
- General Watch Co
- George Watson's College
- George Whitefield College
- George Wilson Cup
- George Wythe College
- Global Wildlife Center
- Gnome Wave Cleaner
- Golden West College
- Government Wine Cellar
- Great Wall of China
- Great West Conference
- Green Worker Cooperatives
- Green–white–checker finish
- Kalami language
- The Great Western Chorus of Bristol