GWA
- GW approximation
- GWA Group
- Game Workers Alliance
- Gay Women's Alternative
- Genome-wide association study
- George Walton Academy
- George Washington Academy
- Georgia Women of Achievement
- German World Alliance
- Global Wesleyan Alliance
- Global Workspace Alliance
- Golden West Airlines
- Great Western Arms Company
- Gua language
- Gwa Township
- Gwa language
- Gwa, Myanmar
- Mbato language
- One Rail Australia