| Term | Full Form | Category |
|---|---|---|
| MRRC | Macomb Reference Research Center | Others |
| MRRC | Mad River Radio Club | Others |
| MRRC | Mangere Refugee Resettlement Centre | Others |
| MRRC | Metropolitan Remand and Reception Centre | Others |
| MRRC | Midland Rolls Royce Club | Others |
| MRRC | Model Road Racing Cars | Others |
| MRRC | Mystic River Rugby Club | Others |