| Acronym | Definition |
|---|
| RCRR➣Retrospective Case Record Review (healthcare; UK) |
| RCRR➣Red Coat Road & Rail Ltd (Canada) |
| RCRR➣Remaining Contingency Retention Requirement |
| RCRR➣River City RoadRunner, Inc. (Carmichael, CA) |
| RCRR➣Rare Codon Rich Region (biochemistry) |