English abbreviations from nso to nss
- NSO (National Standardization Office (ABCA))
- NSOC (National Security Operations Center)
- NSOOC (North Atlantic Treaty Organization (NATO) Staff Officer Orientation Course)
- NSP (Native Signal Processing)
- N-Sp/CC (North American Aerospace Defense Command (NORAD)-US Space Command/Command Center)
- NSPCC (National Society for the Prevention of Cruelty to Children)
- NSPD (National Security Presidential Directive)
- NSPR (Netscape Portable Runtime)
- NSPS (National Social Protection Strategy)
- NSPS-AF (U.S. Air Force National Security Personnel System)
- NSQ (Nuussuaq Heliport)
- NSR (Nitride Semiconductor Research)
- NSRA (National Stunt Riding Association)
- NSRL (National Signals Intelligence (SIGINT) Requirements List)
- NSRO (NACURH Services and Recognition Office)
- NSRP (North Shore Recycling Program)
- NSRS (NATO Submarine Rescue System)
- NSRV (North South Rural Voice)
- NSS (National Service Scheme)