GW
- .gw
- Fantasy football (association)
- GU (disambiguation)
- GW approximation
- GW-BASIC
- Games Workshop
- GateWorld
- Gateway (disambiguation)
- Gawok railway station
- Gazeta Wyborcza
- Gene Wilder
- George W. Bush
- George Washington
- George Washington (disambiguation)
- George Washington Bridge
- George Washington University
- George Washington University Hospital
- Gesamtkatalog der Wiegendrucke
- Ghost Whisperer
- Ghostwriter
- Ghostwriter (disambiguation)
- Gigawatt
- Global warming
- Golden Week (Japan)
- Golden Words
- Goo (disambiguation)
- Gravitational wave
- Gromov–Witten invariant
- Guild Wars
- Guinea-Bissau
- List of gravitational wave observations
- MASTL