SMRR
| Acronym | Definition |
|---|---|
| SMRR | Supplier Material Review Request |
| SMRR | Series Mode Rejection Ratio |
| SMRR | Sisseton Milbank Railroad Inc. |
| SMRR | Southern Michigan Railroad |
| SMRR | St. Marys Railroad Company |
| SMRR | Ships Maintenance Readiness Review |
| SMRR | Ship Modernization Readiness Review |