| Abbreviation | Definition |
|---|---|
| NARMA | North American Russian Motorcycle Association |
| NARPM | National Association of Remedial Project Managers |
| NARPM | National Association of Residential Property Managers |
| NARPO | Nation Association Of Retired Police Officers |
| NARPO | National Association Of Reversionary Property Owners |
| NARPO | National Association Retired Police Officers |
| NARPP | National Association of Retirement Plan Participants |
| NARPPS | National Association of Rehabilitation Professionals in the Private Sector |
| NARS | National Association Of Radiation Survivors |
| NARSA | North American Recreational Slinging Association |
| NARUC | National Association of Regulatory Utility Commissioners |
| NAS | National Academy of Sciences |
| NASA | National Army Sporting Association |
| NASA | National Association of Signing Agents |
| NASA | National Auto Sport Association |
| NASA | New Age Space Association |
| NASAM | National Association of Single Adult Ministers |
| NASAM | Needs Analysis Survey of Arkansas Manufacturers |
| NASB | Nebraska Association of School Boards |
| NASBA | National Alliance Of State Broadcasters Associations |