| Acronym | Definition |
|---|
| PWRR➣Princess of Wales's Royal Regiment (UK) |
| PWRR➣Providence and Worcester Railroad |
| PWRR➣Providence & Worcester Railroad |
| PWRR➣Prepositioned War Reserve Requirement |
| PWRR➣Project, Workflow, Requirement, Resource |
| PWRR➣Petroleum War Reserve Requirement |