| Abbreviation | Definition |
|---|---|
| NAUMS | National Association of United Methodist Scouters |
| NJSF | National Jewish Scout Fellowship |
| NKN | Camp NeeKauNis |
| NLY | No Limits Youth |
| NNED | Northern New England District Royal Rangers |
| NORS | National Organization of Russian Scouts |
| NOSU | National Organization of Scouts of Ukraine |
| NOSU | National Organization of the Scouts of Ukraine |
| NRBO | North Ronaldsay Bird Observatory |
| NSJ | National Scout Jamboree |
| NSO | National Scout Organization |
| NSOT | National Scout Organization of Thailand |
| NSV | new scout variant |
| NYLT | National Youth Leadership Training |
| OA | Order of the Arrow |
| OAC | Outdoor Activities Camp |
| OASIS | Offering Adult Support In Scouting |
| ODC | Outdoor Discovery Center |
| ONSC | Old North State Council |
| OOSA | Offshore Oil Scouts Association |