SNA
- John Wayne Airport
- Novinite.com (Sofia News Agency)
- Resource Management Act
- SNA (computer graphics)
- Sandal and Agbrigg railway station
- Sangeet Natak Akademi
- Santa Ana (Amtrak station)
- Senator Ninoy Aquino, Sultan Kudarat
- Shanni Nationalities Army
- Shona language
- Singapore National Academy
- Sky News Australia
- Snap-on
- Social network analysis
- Social-National Assembly
- Sociedad Nacional de Agricultura
- Somali National Alliance
- Somali National Army
- Special needs assistant
- Spherical Nucleic Acids
- Stellantis North America
- Strange nonchaotic attractor
- Suzhou North America High School
- Sympathetic nervous system
- Syrian National Army
- System of National Accounts
- Systems Network Architecture
- United States Naval Aviator
- ZX Spectrum