| Rank | Abbreviation | Meaning |
|---|
| ***** | HSSC | Higher Secondary School Certificate
| |
| **** | HSSC | Harmonised System of Survey and Certification
| |
| **** | HSSC | Health Safety and Security Committee
| |
| **** | HSSC | Health or Safety or Security
| |
| *** | HSSC | High Secondary School Certificate
| |
| *** | HSSC | Health and Social Services Committee
| |
| ** | HSSC | Historical Society of Santuit and Cotuit
| |
| ** | HSSC | Highway Safety Steering Committee
| |
| ** | HSSC | Health and Social Services Center
| |
| ** | HSSC | High-Speed Serial Communication
| |
| ** | HSSC | High Speed Serial Card
| |
| * | HSSC | High School Science Club
| |
| * | HSSC | High Sierra Sport Company
| |
| * | HSSC | Hazardous Substances Sub Committee
| |
| * | HSSC | Hunger Strike Support Committee
| |
| * | HSSC | Health Sciences Simulation Center
| |
| * | HSSC | Health Sciences Students Council
| |
| * | HSSC | Hawaii State Student Council
| |
| * | HSSC | Humanities and Social Sciences Computing
| |
| * | HSSC | High Safety Significant Components
| |
| * | HSSC | History and Sociology of Science
| |
| * | HSSC | high school student council
| |
| * | HSSC | Human Services Standing Committee
| |
| * | HSSC | High School Summer College
| |
| * | HSSC | Hang Seng School of Commerce
| |