RRJ
| Acronym | Definition |
|---|---|
| RRJ | Russian Regional Jet (program) |
| RRJ | Registration Reject |
| RRJ | Rubber Ring Joint (plumming pipes) |
| RRJ | Rappahannock Regional Jail (Virginia) |
| RRJ | Revue de la Recherche Juridique (French: Journal of Legal Research; est. 1976) |
| RRJ | Railroad Jerk (band) |
| RRJ | Road Riders for Jesus (motorcycle ministry; Hillsboro, MO) |
| RRJ | Renewable Resources Journal (est. 1982) |