English abbreviations from nsa to nsc
- NSA (U.S. National Security Agency)
- NSAA (National Speakers Association of Australia)
- NSABB (National Science Advisory Board for Biosecurity)
- NSAC (Nuclear Science Advisory Committee)
- NSAH (National Sexual Assault Hotline)
- NSAID (Non-Steroidal Anti-Inflammatory Drug)
- NSAP (Network Service Access Points)
- NSAWC (Naval Strike and Air Warfare Center)
- NSB (Norges Statsbaner (Norwegian State Railways))
- NSBD (Near Ship Battlespace Dominance)
- NSBE (National Society of Black Engineers)
- NSBL (North Shore Baseball League)
- NSBP (North Shore Bicycle Path)
- NSBS (Novell Small Business Suite)
- NSBTA (National School Bus Transportation Association)
- NSC (National Security Council)