GRP
GFK stands for:
- Glass fiber reinforced plastic , a material made from plastic and glass fibers
- Geneva Refugee Convention , see Convention on the Status of Refugees
- Society for the Promotion of Internal Colonization
- Nonviolent communication , a concept for communication
- Track field concentrator, an element of digital interlockings
GfK stands for:
- GfK (company) , a market research institute
- GfK-Verein , since 2019 Nuremberg Institute for Market Decisions , a non-profit organization for research into consumption and market decisions
GFK stands for:
- Patpatar (ISO-639-3 code), one of the oceanic languages in the New Ireland Province , Papua New Guinea
