TSW

TSW may refer to:

• Tactical Support Wing, a unit of the United States Navy
• Television South West, the ITV franchise holder for the South West England region from 1 January 1982 until 31 December 1992
• The Secret World, a 2012 MMORPG from developer Funcom
• Tiger Sports Wheels, a custom alloy wheel manufacturer
• Tin Shui Wai, a town located in the northwestern part of the New Territories, Hong Kong, in Yuen Long District
• Topical steroid withdrawal
• Trader's and Scheduler's Workbench, Oil & Gas functionality for SAP ERP
• Train Sim World, a series of video games from Dovetail Games
• Tsuen Wan station, Hong Kong; MTR station code