| Acronym | Definition |
|---|
| TVA | Tennessee Valley Authority |
| TVA | Taxe Sur La Valeur Ajoutee (France-Belgium) |
| TVA | Torsional Vibration Analysis |
| TVA | Tele Video Agrigento (Italian broadcaster; Agrigento, Italy) |
| TVA | Telefono Verde AIDS (Italian AIDS service) |
| TVA | Television Aichi Broadcasting (Japan) |
| TVA | Taxe à la Valeur Ajoutée (French: Value Added Tax) |
| TVA | Torfaen Voluntary Alliance (UK) |
| TVA | Taxa pe Valoare Adaugata (Romanian: Tax on Added Value) |
| TVA | Toronto Vegetarian Association (Toronto, Canada) |
| TVA | Transverse Abdominis (abdominal muscle) |
| TVA | Temporary Value Adjustment |
| TVA | Telephone VoIP Adapter (trademark of Citel plc) |
| TVA | Televisão Abril (Brazil) |
| TVA | Television Authority |
| TVA | The Venture Alliance (Irvine, CA) |
| TVA | Total Value Added |
| TVA | Threat and Vulnerability Assessment (information security) |
| TVA | Toxic Vapor Analyzer |
| TVA | Tarif- und Verkehrsanzeiger (German) |
| TVA | Target Value Analysis |
| TVA | Tubulovillous Adenoma |
| TVA | The Vermiculite Association (international trade association) |
| TVA | Texas Vegetable Association |
| TVA | Television Bureau of Advertising |
| TVA | Television Aerial |
| TVA | Taxe à la Valeur Ajouté (French: Value Added Tax) |
| TVA | Technology Validation Assurance |
| TVA | Technical Vulnerability Assessment |
| TVA | Télévision Associée (Francophone television network, Quebec, Canada) |
| TVA | Television Addiction |
| TVA | Time Variant Amplitude |
| TVA | Thrust Vector Actuator (missiles) |
| TVA | Telefon-Vermittlungs-Anlage (German:telephony exchange) |
| TVA | Tasa al Valor Agregado (Spanish) |
| TVA | Target Value Assessment |
| TVA | Thrust Vector Alignment (US NASA) |
| TVA | Temporary Variance Authorization |