| Rank | Abbreviation | Meaning |
|---|
| ***** | TWSA | Two-Wire Spiral Antenna
| |
| **** | TWSA | Taiwanese Student Association
| |
| **** | TWSA | Texas Water Safety Act
| |
| **** | TWSA | Total Water Supply Available
| |
| **** | TWSA | The Worlds Smallest Abacus
| |
| **** | TWSA | Taiwanese Waterloo Student Association
| |
| **** | TWSA | Treated Waste Storage Area
| |
| **** | TWSA | Tuckaseigee Water and Sewer Authority
| |
| **** | TWSA | Transferable Work Skills Analysis
| |
| **** | TWSA | They Will Surf Again
| |
| **** | TWSA | Temporary Waste Storage Area
| |
| *** | TWSA | The World System of Antichrist
| |
| *** | TWSA | Toad the Wet Sprocket Acoust
| |
| *** | TWSA | Taurus World Stunt Awards
| |
| *** | TWSA | Transparent Watercolor Society of America
| |
| *** | TWSA | Tacoma Women's Sailing Association
| |
| ** | TWSA | Tivoli Web Site Analyzer
| |
| ** | TWSA | Travel with Stephanie Abrams
| |
| ** | TWSA | Tigard Water Service Area
| |
| ** | TWSA | Transparent Watercolor Society of American
| |
| * | TWSA | Tahoe Water Supplier Association
| |