| SSID | Service Set Identifier | 服务集标志符 |
| SSID | Signs, Symptoms and Ill-Defined (medical conditions) | 体征、症状和定义不当(医疗条件) |
| SSID | Service de Soins Infirmiers Domicile | Soins Inferiers住所服务 |
| SSID | Service Set Identification (IEEE 802.11 wireless networks) | 服务集标识(IEEE 802.11无线网络) |
| SSID | Student Services Information Desk | 学生服务咨询台 |
| SSID | Secure Set Identifier (32-character unique identifier) | 安全集标识符(32个字符的唯一标识符) |
| SSID | Student Social IDentifier | 学生社交标识 |
| SSID | solid state interdiffusion | 固态互扩散 |
| SSID | Save Set Identifier | 存储集标识符 |
| SSID | Social Science Information and Documentation (Helsinki) | 社会科学信息和文献(赫尔辛基) |
| SSID | Supplemental Security Income Disability | 补充保障收入残疾 |
| SSID | Service Set Identifier (802.11) | 服务集标识符(802.11) |
| SSID | Standard Simulation Interface Design | 标准模拟接口设计 |
| SSID | SubSystem IDentifier | 子系统标识符 |
| SSID | Service Set Identifier (802.11b) | 服务集标识符(802.11b) |
| SSID | Supplemental Structural Integrity Document (Canadian Airworthiness Manual) | 补充结构完整性文件(加拿大适航手册) |
| SSID | Student Services Information Database | 学生服务信息数据库 |