| Acronym | Definition |
|---|
| JRN➣Journalism |
| JRN➣Journal File |
| JRN➣Japan Radio Network |
| JRN➣Journal of Research in Nursing (Sage Publications) |
| JRN➣Jacketed Round Nose (bullets) |
| JRN➣Job Reference Number (shipping) |
| JRN➣Job Requisition Number |
| JRN➣Jednotka Rychleho Nasazeni (Czech: Rapid Deployment Unit; online gaming clan; Czech Republic) |
| JRN➣Jurisdictional Reference Network (Australia) |