RRRR
| Acronym | Definition |
|---|---|
| RRRR | Raritan River Rail Road |
| RRRR | Reduction, Readiness, Response, Recovery (emergency preparedness) |
| RRRR | Rare Medium Corp. (NASDAQ stock symbol) |
| RRRR | Round Robin Resume Review (Indiana University; Bloomington, IN) |
| RRRR | Refuse, Reduce, Reuse, Recycle (waste management) |