GCP
- 2021 Bahamian general election
- Commando Parachute Group
- GCP Applied Technologies
- GCP Infrastructure Investments
- Games Computers Play
- German Communist Party
- Ghana Congress Party
- Giantin
- Global Carbon Project
- Global Centre for Pluralism
- Global Charity Project
- Global Consciousness Project
- Globis Capital Partners
- Good clinical practice
- Google Cloud Platform
- Google Cloud Print
- Grand Central Parkway
- Grand Central Partnership
- Greater Cambridge Partnership
- Greater Chennai Police
- Ground control point
- Group of Popular Combatants