| Acronym | Definition |
|---|
| SSID | Service Set Identifier (802.11b) |
| SSID | Site Spill Identifier |
| SSID | Subsystem Identifier |
| SSID | Service Set Identifier |
| SSID | Supplemental Security Income Display |
| SSID | Service Set Identification (IEEE 802.11 wireless networks) |
| SSID | Statewide Student Identifier (California) |
| SSID | Secure Set Identifier (32-character unique identifier) |
| SSID | Solid State Interdiffusion |
| SSID | Social Science Information and Documentation (Helsinki) |
| SSID | Signs, Symptoms and Ill-Defined (medical conditions) |
| SSID | Save Set Identifier |
| SSID | Standard Simulation Interface Design |
| SSID | Supplemental Structural Integrity Document (Canadian Airworthiness Manual) |