| Acronym | Definition |
|---|
| TSW | The Secret World (computer role-playing game) |
| TSW | The Student Will |
| TSW | The Students Will |
| TSW | Trent Severn Waterway |
| TSW | Tin Shui Wai (Hong Kong) |
| TSW | Time Sliding Window |
| TSW | Trunk Switch |
| TSW | Transport Endpoint State Word |
| TSW | Test Switch |
| TSW | Test Software |
| TSW | Tsunami Warning (Emergency Alert System code) |
| TSW | Tropical Surface Water |
| TSW | Tropical Storm Warning |
| TSW | Tactical Supply Wing (Royal Air Force) |
| TSW | Television South West (UK; 1982-1992) |
| TSW | Television South-West (UK) |
| TSW | Telesoftware |
| TSW | That Should Work |
| TSW | The Sims Workshop (games) |
| TSW | Tactical Switching |
| TSW | Technology Services Worldwide |
| TSW | Tube Socket Weld (construction) |
| TSW | Tunnell-Spangler-Walsh & Associates (Atlanta, GA) |
| TSW | Tiger Sport Wheels (South Africa) |
| TSW | Turbine Service Water (nuclear power) |
| TSW | The Supplement Warehouse |
| TSW | Techno-Seaways Inc |
| TSW | Towarzystwo Sportowe Wis³a (Kraków) |
| TSW | Technology and Standards Watch (Joint Information Systems Committee (UK) |
| TSW | The Sonic Way (gaming site) |
| TSW | The Shaolin Warriors (Chinese TV series) |
| TSW | Two-Sided Winner |
| TSW | TDRSS Scheduling Window |
| TSW | Tail-Straddling Walk (salamander courtship) |