| Acronym | Definition |
|---|
| GRR | Grand Rapids (Amtrak station code; Grand Rapids, MI) |
| GRR | Great River Race (Thames River; UK) |
| GRR | Grammar Rule Reference |
| GRR | Guaranteed Rental Return |
| GRR | Gauge Repeatability and Reproducibility (measurement consistency) |
| GRR | German Road Race |
| GRR | Georgetown Railroad |
| GRR | General Reevaluation Report |
| GRR | Grand Rapids Rampage |
| GRR | Giant Resource Recovery (recycling) |
| GRR | Group Risk Report (various companies) |
| GRR | Grand River Railway (Ontario, Canada) |
| GRR | Genotype Relative Risk |
| GRR | Greek Research Reactor |
| GRR | GPRS Radio Resource |
| GRR | Gold Ribbon Rescue, Inc. |
| GRR | Growth Rate of Return |
| GRR | Goods Return Request |
| GRR | Grant Revision Request |
| GRR | Ground Radio Receiver |
| GRR | Graphic Range Recorder |
| GRR | GSM Radio Resource |
| GRR | Grand Rapids, MI, USA - Gerald R Ford International Airport (Airport Code) |