HRJ
| Acronym | Definition |
|---|---|
| HRJ | Horticultural Research (Japan) |
| HRJ | House Joint Resolution |
| HRJ | Hydrotreated Renewable Jet (aviation) |
| HRJ | Harvard Human Rights Journal (est. 1988) |
| HRJ | Harm Reduction Journal |
| HRJ | High Risk Jurisdiction |
| HRJ | House Rabbit Journal (newsletter; House Rabbit Society) |
| HRJ | Handbell Ringers of Japan (est. 1976) |