| Acronym | Definition |
|---|
| SAN | Storage Area Network |
| SAN | Spirit and Nature (Internet group) |
| SAN | South Asian Network |
| SAN | Sanitization |
| SAN | Styrene Acrylonitrile |
| SAN | Self-Assembled Nanoparticle |
| SAN | Subscriber Account Number |
| SAN | Sustainable Agriculture Network (USDA) |
| SAN | Scientifically Advanced Nutrition (supplements) |
| SAN | South African Navy |
| SAN | Sinoatrial Node |
| SAN | Server Area Network |
| SAN | Storage Access Networking |
| SAN | Subject Alternative Name (variant web hosting name) |
| SAN | System Area Network |
| SAN | Senior Advocate of Nigeria |
| SAN | Syndicat d'Agglomeration Nouvelle (French: New Union of Agglomeration) |
| SAN | SEMA Action Network |
| SAN | Strong Acid Number (petroleum and lubricant industry) |
| SAN | Senior Action Network |
| SAN | Standard Address Number |
| SAN | Sila and the AfroFunk (band) |
| SAN | Spinal Accessory Nerve |
| SAN | Sandeels (FAO species name code) |
| SAN | San Andreas News (gaming) |
| SAN | Standard Algebraic Notation (chess) |
| SAN | Small Area Network |
| SAN | Sensor Actuator Network |
| SAN | Société d'Astronomie de Nantes (French: Astronomical Society of Nantes) |
| SAN | San Francisco Operations Office (US DOE) |
| SAN | Security Assistance Network |
| SAN | Subscriber-Access Network (Cisco) |
| SAN | Stochastic Activity Network |
| SAN | Stochastic Automata Network |
| SAN | San Diego, CA, USA - Lindbergh International Airport (Airport Code) |
| SAN | System Alert Notification (Alcatel) |
| SAN | Secondary Access Node |
| SAN | Sanabria's Air Post Catalog (philatelic catalog) |
| SAN | Secure Area Network |
| SAN | Small Access Node |
| SAN | Short Area Network |
| SAN | Service Advisory Notice |
| SAN | Safeguards Accountability Network |
| SAN | Suburban Anti-Terrorist Network |
| SAN | System Advisory Notice |
| SAN | Statlig sektorns arbetsmiljönämnd (Swedish: Joint Work Environment Council for the Government Sector) |