| 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) |