GPF
GPF stands for:
- GPF 194 mm , French cannon in World War I.
- German Privacy Foundation , association in Germany for communication security, anonymity and encryption on the Internet
- Union for postal and telecommunications employees in Austria
- Global Policy Forum , international non-governmental organization for transparency of the United Nations
- Community of Proletarian Freethinkers (GpF)
- Gallons per flush , indication on US toilets for the water consumption per toilet flush
- Gasoline particulate filter for vehicles with gasoline engines (from the English name gasoline particulate filter )