| Acronym | Definition |
|---|
| TWA | Trans World Airlines |
| TWA | Time Weighted Average |
| TWA | The World Academy (Elizabeth, NJ) |
| TWA | The White Album (The Beatles album) |
| TWA | T-Wave Alternans (marker of cardiac electrical instability) |
| TWA | Tibetan Women's Association (est. 1959) |
| TWA | The Word Alive (band) |
| TWA | Texas Wildlife Association |
| TWA | Task Work Area |
| TWA | Transaction Work Area |
| TWA | The Wine Advocate (consumer advice publication) |
| TWA | Texas Works Advisor |
| TWA | Tappers with Attitude |
| TWA | Total Water Available |
| TWA | Taxi Workers Alliance |
| TWA | Temporary Work Assignment |
| TWA | Three Word Abbreviation |
| TWA | Traveling Wave Amplifier |
| TWA | Transcontinental and Western Airlines |
| TWA | Two Way Alternate |
| TWA | Texas Wrestling Alliance |
| TWA | Teeny Weeny Afro (hair style) |
| TWA | Traveling with Angels (airline slogan) |
| TWA | Trouble Went Away |
| TWA | Trailing Wire Antenna |
| TWA | Third World Assassin |
| TWA | Transaction Work Area (CICS) |
| TWA | Tokyo Worldwide Agency (Japan) |
| TWA | Total Weighted Average (permissible exposure limit; Occupational Safety and Health Administration) |
| TWA | Third Wave Advertising |
| TWA | Texas Wrestling Association |
| TWA | Two-Way Alternating |
| TWA | Transfer Writing Assessment (test) |
| TWA | Think Before Reading; Think While Reading; Think After Reading |
| TWA | Teen Wrestling Association |
| TWA | Thin-Wire Antenna |
| TWA | Transborder Wildlife Association |
| TWA | Tail Wire Antenna |
| TWA | Three Word Acronym |
| TWA | Time-Weighted Authority |
| TWA | Tigrai Women's Association |
| TWA | Today Was Awful |
| TWA | Turbocharger Wastegate Actuator |
| TWA | Travelling Wave Analysis |