GGP
- GGP (company)
- Gan–Gross–Prasad conjecture
- Garden Grove Playhouse
- Gateway-to-Gateway Protocol
- General game playing
- Generations and Gender Programme
- Georgia Green Party
- Global Goods Partners
- Golden Gate Park
- Goldfields Gas Pipeline
- Gondwana Ganatantra Party
- Good guidance practice
- Guernsey pound
- Logansport/Cass County Airport