| Term | Full Form | Category |
|---|---|---|
| NJO | Naples Jazz Orchestra | Others |
| NJO | Nashville Jazz Orchestra | Others |
| NJO | Nationaal Jeugd Orkest | Others |
| NJO | National JOTA Organizer | Others |
| NJO | National JOTA Organizers | Others |
| NJO | Nationwide Job Openings | Others |
| NJO | Nebraska Jazz Orchestra | Others |
| NJO | Neelzhiin Ji Olta | Others |
| NJO | New Jedi Order | Others |
| NJO | New Jeep Owner | Others |
| NJO | New Jersey Online | Others |
| NJO | New Jersey Open | Others |
| NJO | New Jerusalem Orchestra | Others |
| NJO | New Joiner Orientation | Others |
| NJO | New Judge Orientation | Others |
| NJO | Nomadic Jedi Order | Others |
| NJO | Northeast Jeep Organization | Others |