| 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) |