| Acronym | Definition |
|---|
| TDA➣Training and Development Agency for Schools (London, UK) |
| TDA➣Texas Department of Agriculture |
| TDA➣Total Drama Action (TV show) |
| TDA➣Tienda (Spanish: store) |
| TDA➣Trust Development Authority (National Health Service; UK) |
| TDA➣Tax Deferred Annuity (commonly known as TSA) |
| TDA➣Toa Domestic Airlines (Japan) |
| TDA➣Trade and Development Agency |
| TDA➣Table of Distribution and Allowances |
| TDA➣Temporal Data Authority |
| TDA➣Transportation Development Act |
| TDA➣Table of Distribution and Allowances (US Army) |
| TDA➣Transboundary Diagnostic Analysis |
| TDA➣Tennessee Department of Agriculture |
| TDA➣Tournament Directors Association |
| TDA➣Texas Dental Association |
| TDA➣Those Darn Accordions (band, San Francisco, California) |
| TDA➣Truck Driving Academy (Sacramento, CA) |
| TDA➣Toluenediamine |
| TDA➣Times Digital Archive (newspaper; UK) |
| TDA➣Tennessee Dental Association |
| TDA➣Tactical Decision Aid |
| TDA➣Technical Design Authority |
| TDA➣Trouble du Déficit de l'Attention (French: Attention Defecit Disorder) |
| TDA➣Télédiffusion d'Algérie (French: Broadcasting of Algeria) |
| TDA➣Transition Data Analysis (statistical analysis program) |
| TDA➣The Dark Arts (fan fiction) |
| TDA➣Team Disney Anaheim |
| TDA➣Tell, Don't Ask (software development) |
| TDA➣Transportation Development Association (Madison, WI) |
| TDA➣Total Disc Arthroplasty |
| TDA➣Technical Direction Agent |
| TDA➣Tamm-Dancoff Approximation |
| TDA➣Time Domain Analysis |
| TDA➣Time Difference of Arrival |
| TDA➣Trade Descriptions Act (UK) |
| TDA➣The Deejay Agency (Netherlands) |
| TDA➣The Devils Advocates (gaming) |
| TDA➣Turkish Dental Association |
| TDA➣Tivoli Deployment Accreditation (IBM) |
| TDA➣Training Delivery Agent |
| TDA➣Tactical Data Aids |
| TDA➣Thailand Darts Association |
| TDA➣Taxpayer Delinquent Account (IRS) |
| TDA➣Term Deposit Account |
| TDA➣Toonami Digital Arsenal |
| TDA➣Teikoku Databank America (New York, NY) |
| TDA➣Temporary Danger Area |
| TDA➣Team DotA Allstars (gaming clan) |
| TDA➣Target Damage Assessment |
| TDA➣Tigrai Development Association |
| TDA➣Transit Detection Algorithm (used to find new planets) |
| TDA➣Tunnel Diode Amplifier |
| TDA➣Table of Distribution & Allowance(s) |
| TDA➣Technology Development Approach |
| TDA➣Total Drainage Area |
| TDA➣Technical Design Architect (Cisco) |
| TDA➣Traitement des Déchets Automobiles (French: Automobile Waste Treatment) |
| TDA➣Tax Delinquent Account |
| TDA➣Test Design Automation |
| TDA➣Terminal Data Adapter |
| TDA➣Tracking & Data Acquisition |
| TDA➣Training Development Advisor |
| TDA➣Treasury Department Acquisition |
| TDA➣Technical and Delivery Assessment (IBM) |
| TDA➣Torpedo Danger Area |
| TDA➣Traffic Data Acquisition |
| TDA➣Turkish Dance Association |
| TDA➣Time Domain Aliasing |
| TDA➣Travailleur de l'Amour (French: Worker of Love; Switzerland) |
| TDA➣Trade Desk America |
| TDA➣Tidewater Dietetic Association |
| TDA➣Tactical Development Agent |
| TDA➣Table of Distribution-Augmentation |
| TDA➣Tactical Data Application (Navy) |
| TDA➣Technique Design Acoustique (French: Technical Design Acoustics) |
| TDA➣Tactical Digital Assistants |
| TDA➣Temporary Duty Assigned |
| TDA➣Taking & Driving Away (Criminology, UK) |
| TDA➣Technology Development Agent |
| TDA➣Theater Defense Aviation |
| TDA➣Technical Directing/Direction Agency |
| TDA➣Totalement Différent des Autres (French: Completely Different from Others) |
| TDA➣Time/Date Adjust |
| TDA➣Technical Document Architecture |
| TDA➣Technical Direction Authority |
| TDA➣Textile Distributors Association, Inc. |