| Acronym | Definition |
|---|
| SPAN | Spanish (language course) |
| SPAN | Suicide Prevention Action Network (various locations) |
| SPAN | Switch Port Analyzer (Cisco) |
| SPAN | Satellite Public Affairs Network |
| SPAN | Services and Protocols for Advanced Networks |
| SPAN | Service Providers Advisory Network |
| SPAN | Switched Port Analyzer |
| SPAN | Sí Pero Aquí No (Spanish: Not in My Back Yard; sociology) |
| SPAN | Spacecraft Analysis (US NASA) |
| SPAN | Student Project for Amity among Nations (various locations) |
| SPAN | Small Publishers Association of North America |
| SPAN | Standard Portfolio Analysis of Risk (Chicago Mercantile Exchange) |
| SPAN | Suicide Prevention Advocacy Network |
| SPAN | Space Physics Analysis Network |
| SPAN | Services and Protocols for Advanced Networks (ETSI) |
| SPAN | Saudi Payments Network |
| SPAN | Submarine Piloting and Navigation (US Navy) |
| SPAN | Solar Particle Alert Network |
| SPAN | Services Program for Aging Needs |
| SPAN | Southern Pine Awareness Network |
| SPAN | Sharing Peripherals across the Network |
| SPAN | Security Policy Automation Network |
| SPAN | Service Providers Advisory Network (Tampa, Florida) |
| SPAN | Space Plasma Analysis Network |
| SPAN | Specialist Practitioner Adult Nursing |
| SPAN | Solar Physics Analysis Network |
| SPAN | Special Parametric Analysis of Control Nodes |
| SPAN | Sulfonic Acid Ring substituted Poly Aniline |
| SPAN | System Projection and Analysis |