| Acronym | Definition |
|---|
| HJO➣Haley Joel Osment (actor) |
| HJO➣Hungry Jack Canoe Outfitters (Grand Marais, Minnesota) |
| HJO➣Hogere Juridische Opleiding (Dutch: Higher Legal Education; Netherlands) |
| HJO➣Hospitality Jobs Online (resource) |
| HJO➣Heartland Jazz Orchestra (est. 1999) |