| Acronym | Definition |
|---|
| FRJ➣Fondation Ressources Jeunesse (French: Youth Resources Foundation; Quebec, Canada) |
| FRJ➣Facility Reject Message |
| FRJ➣Fantasy Realms Journal (Amateur Press Association) |
| FRJ➣Falkenburg Road Jail (Tampa, FL) |
| FRJ➣Fitted Rowing Jacket |
| FRJ➣Formula Rotax Junior (racing) |