| TSSE | Taiwan Shennong Social Enterprise 
| Others |
| TSSE | Tal Ship System Engineering
| Others |
| TSSE | Tarnobrzeska Specjalna Strefa Ekonomiczna
| Others |
| TSSE | Tarnobrzeskiej Specjalnej Strefy Ekonomicznej
| Others |
| TSSE | Teen Summer Stock Experience
| Others |
| TSSE | Temperature Swing Solvent Extraction
| Others |
| TSSE | Tennessee School Systems for Equity
| Others |
| TSSE | Thomas Swan Scientific Equipment
| Others |
| TSSE | Thorough Skin Self Examination
| Others |
| TSSE | Torishima Service Solutions Europe
| Others |
| TSSE | Total Ship Systems Engineering
| Others |
| TSSE | Toxic Shock Syndrome Exotoxin
| Others |
| TSSE | Transmissible Spongiform Subacute Encephalopathies
| Others |
| TSSE | Turfloop Sport School of Excellence
| Others |