PARR
| Acronym | Definition |
|---|---|
| PARR | Polymarase Chain Reaction (antigen receptor rearrangements) |
| PARR | Potomac Area Road Riders (motorcycle club) |
| PARR | Pakistan Atomic Research Reactor |
| PARR | Program Analysis & Resource Review |
| PARR | Post-Anaesthetic Recovery Room |
| PARR | Program Assessment Review Report |
| PARR | Poseidon Augmented Radio Room |