GPD
- GPD Win
- GPD XD
- Gaithersburg Police Department
- GamePad Digital
- Gatlinburg Police Department
- Geassocieerde Pers Diensten
- General purpose datatype
- Generalized Pareto distribution
- Generalized parton distributions
- Gladstone Police Department
- Glyceraldehyde phosphate dehydrogenase
- Greenbelt Police Department (Maryland)
- Guam Police Department
- Mount Gordon Airport
- People's Liberation Army General Political Department
- Tradewind Aviation