| SSID | Service de Soins Infirmiers Domicile (French: Department of Nursing Homes) 
| Others |
| SSID | Service Set Identifier
| Others |
| SSID | Service Set Identifier (802.11)
| Others |
| SSID | Shuttle Stowage Installation Drawing
| Others |
| SSID | Signs Symptoms and Ill Defined
| Others |
| SSID | Site Spill Identifier
| Others |
| SSID | Social Science Information and Documentation
| Others |
| SSID | Socio-Scientific Issue Discussions
| Others |
| SSID | Statewide Student Identifier
| Others |
| SSID | Student Services Information Database
| Others |
| SSID | Student Services Information Desk
| Others |
| SSID | Student Social IDentifier
| Others |
| SSID | Supplemental Security Income Disability
| Others |
| SSID | Supplemental Security Income Display
| Others |