| Acronym | Definition |
|---|
| NJO➣New Jedi Order |
| NJO➣New Jersey Online |
| NJO➣Nashville Jazz Orchestra (Nashville, TN) |
| NJO➣Nationaal Jeugd Orkest (Dutch: National Youth Orchestra) |
| NJO➣New Jungle Orchestra (est. 1980) |
| NJO➣Nebraska Jazz Orchestra (est. 1975; Lincoln, NE) |
| NJO➣Not Just Ourselves (Irving Bible Church) |