GPA (disambiguation)
- Agreement on Government Procurement
- Araxos Airport
- Ford GPA
- GNU Privacy Guard
- GPA (company)
- Gaelic Players Association
- Gambia Ports Authority
- Gambia Ports Authority FC
- Gay Police Association
- Generalized Procrustes analysis
- Geometric phase analysis
- Georgia Ports Authority
- Gigapascal
- Glenopolar angle
- Global Peace Agency
- Government Polytechnic Amravati
- Government Property Agency (Hong Kong)
- Government Property Agency (United Kingdom)
- Grace Preparatory Academy
- Grade point average
- Gradient pattern analysis
- Granulomatosis with polyangiitis
- Gravida/para/abortus
- Gravity Probe A
- Green Party of Alberta
- Gross Production Average
- Guam Power Authority
- Guanidinopropionic acid
- Guinness Peat Aviation
- Personal Service Workers' Union
- Proton affinity