| Grp | Category of groups 
| Others |
| GRP | Gastrin Releasing Peptide
| Others |
| GRP | Gastrin releasing polypeptide
| Others |
| GRP | Gastrin Releasing Protein
| Others |
| GRP | Gastrin-Releasing Peptide
| Others |
| GRP | Gateway Response Protocol
| Others |
| GRP | Gateway Routing Protocol
| Others |
| GRP | Gender Recognition Panel
| Others |
| GRP | General Reporting Protocol
| Others |
| GRP | General Risk Premium
| Others |
| GRP | Gentoo Reference Platform
| Others |
| GRP | Gibraltar Reform Party
| Others |
| GRP | Gigabit Router Processor
| Others |
| GRP | Glass Reinforced Plastic
| Others |
| GRP | Glass Reinforced Plastics
| Others |
| GRP | Glass Reinforced Polyester
| Others |
| GRP | Glassfibre Reinforced Plastic
| Others |
| GRP | Glassfibre Reinforced Plastics
| Others |
| GRP | Glassfibre Reinforced Polyester
| Others |
| GRP | Global Remuneration Professional
| Others |
| GRP | Global Renumeration Professional
| Others |
| GRP | Global Research Priorities
| Others |
| GRP | Global Resilience Partnership
| Others |
| GRP | Globe Replication Protocol
| Others |
| GRP | Glucose Regulated Protein
| Others |
| GRP | Glucose-Regulated Protein
| Others |
| GRP | Good Regulatory Practice
| Others |
| GRP | Good Review Practice
| Others |
| GRP | Government Railway Police
| Others |
| GRP | Graduate Recruitment Program
| Others |
| GRP | Graham Rahal Performance
| Others |
| GRP | Grass Roots Program
| Others |
| GRP | Grassland Reserve Program
| Others |
| GRP | Grasslands Restoration Project
| Others |
| GRP | Grassroots Recreation Program
| Others |
| GRP | Green Roof Professional
| Others |
| GRP | Green Roof Professionals
| Others |
| GRP | Green-Rating Project
| Others |
| GRP | Grey Raid Productions
| Others |
| GRP | Gross Rating Point
| Others |
| GRP | Gross Rating Points
| Others |
| GRP | Gross Regional Product
| Others |
| GRP | Gross Research Product
| Others |
| GRP | Groundwater Reduction Plan
| Others |
| GRP | Group file
| Others |
| GRP | Group Risk Plan
| Others |
| GRP | Grurpi, GO, Brazil
| Others |
| GRP | Grusin Rosen Productions
| Others |
| GRP | Guaranteed Royalty Payment
| Others |
| GRP | Guidance Replacement Program
| Others |
| GRP | Guided Reading Practice
| Others |
| GRP | Gurupi Airport
| Others |
| GRP | PixBase Pictures GRoup
| Others |