| Acronym | Definition |
|---|
| TPSS➣Tangipahoa Parish School System (Louisiana) |
| TPSS➣Traction Power Substation (rail transportation electrification) |
| TPSS➣Training and Performance Support Systems (educational technology) |
| TPSS➣Takoma Park Silver Spring Co-op (food store; Maryland) |
| TPSS➣The Playstation Show (podcast) |
| TPSS➣Technology and Policy Student Society (Massachusetts Institute of Technology) |
| TPSS➣Toxic Pot Shower Shock Syndrome |
| TPSS➣Target Prioritization and Selection System |
| TPSS➣Transition Plus Sustainability Solutions (Canada) |