| Rank | Abbreviation | Meaning |
|---|
| ***** | HTSS | hypotrichosis simplex of scalp
| |
| ***** | HTSS | Hierarchical Threshold Secret Sharing
| |
| ***** | HTSS | Homogeneous Ternary Solvent System
| |
| ***** | HTSS | Honeywell Time-Sharing System
| |
| ***** | HTSS | Hermandad de Trabajadores de Servicios Sociales
| |
| ***** | HTSS | Handling Transportation and Storage Section
| |
| ***** | HTSS | Head Tracked Sensor Suite
| |
| **** | HTSS | Hierarchical Tree Substructure Search
| |
| **** | HTSS | High Temperature Superconductors
| |
| **** | HTSS | Home Theater Surround Sound
| |
| **** | HTSS | Home Theatre System with Slim
| |
| **** | HTSS | Home Theater Systems sony
| |
| **** | HTSS | Hospitality & Tourism Skills Scotland
| |
| **** | HTSS | Health Team Stereotyping Scale
| |
| *** | HTSS | High Temperature Superconductivity Superconductors
| |
| *** | HTSS | Humber Traumatic Stress Service
| |
| * | HTSS | Hamilton Test Simulation System
| |