| Acronym | Definition |
|---|
| TEA | Texas Education Agency |
| TEA | Taxed Enough Already (tea party; political activism) |
| TEA | Transportation Equity Act for the 21st Century |
| TEA | Triethanolamine |
| TEA | Tennessee Education Association (Nashville, TN) |
| TEA | Themed Entertainment Association |
| TEA | Tertiary Education Act (Botswana) |
| TEA | Triethylamine |
| TEA | Temporary Employment Agency (various locations) |
| TEA | Techno-Economic Analysis |
| TEA | The Education Alliance (various organizations) |
| TEA | Trade Expansion Act |
| TEA | Tetraethylammonium |
| TEA | The Employers' Association (various locations) |
| TEA | Tokyo Electron America, Inc. (Austin, TX) |
| TEA | Tiny Encryption Algorithm (developed by David Wheeler and Roger Needham at the Computer Laboratory of Cambridge University) |
| TEA | Test of English for Aviation (language proficiency; UK) |
| TEA | Total Entrepreneurial Activity (index) |
| TEA | Terminal Electron Acceptor (cellular respiration) |
| TEA | Tiny Encryption Algorithm |
| TEA | The Esplanade Association (est. 2001; Boston, MA) |
| TEA | Tensile Energy Absorption |
| TEA | Teachers Experiencing Antarctica and the Arctic |
| TEA | Technical Excellence Award (various organizations) |
| TEA | Twin Engine Aircraft |
| TEA | Transportation Enhancement Activities (Canada) |
| TEA | Thromboendarterectomy |
| TEA | Toronto Environmental Alliance |
| TEA | Targeted Employment Area |
| TEA | Transitional Employment Assistance (State of Arkansas) |
| TEA | Transportation Engineering Agency |
| TEA | Temperate East Asia |
| TEA | Trace Element Analysis |
| TEA | The Erythromelalgia Association (Wallingford, PA) |
| TEA | Tactical Espionage Action (game) |
| TEA | Torque Equilibrium Attitude |
| TEA | Triethyl Aluminum |
| TEA | Television Equipment Associates (Brewster, NY) |
| TEA | Treasury Enforcement Agent |
| TEA | Tidy Enforcement Agency (gaming clan) |
| TEA | The Electronic Alveary (word search program) |
| TEA | Training Effectiveness Analysis |
| TEA | Tomen Electronics America (California) |
| TEA | Technology for Enabling Awareness |
| TEA | Toronto Entomologists' Association |
| TEA | Travel Expenses Accounting |
| TEA | Transferred Episcopal Arrangements |
| TEA | Terminal Education Age |
| TEA | Training Employment Advice Shop |
| TEA | Technical Exchange Agreement |
| TEA | Texas Electronics Association, LLC (Fort Worth, TX) |
| TEA | Teatro Estudio Aramiz (Spanish: Aramiz Studio Theater) |
| TEA | Tank Excavation Assessment (chemical storage) |
| TEA | Transversely Excited Atmosphere |
| TEA | Timing Error Avoidance |
| TEA | Technology Exchange Agreement |
| TEA | Transportability Engineering Analysis |
| TEA | Technical Engineering Authority |
| TEA | Tactical Engineering & Analysis, Inc. |
| TEA | Targeted Enforcement Area (police warning radar) |
| TEA | Twinsburg Education Association (Twinsburg, Ohio) |
| TEA | Tirupur Exports Association (India) |
| TEA | Transient Effect Area |
| TEA | Ten Eyck Associates |
| TEA | Technicien en Entretien d'Aéronefs |
| TEA | Telephone Extension Alert |
| TEA | Transportation Engineering Agreement |
| TEA | Ticket Entry Automation |
| TEA | Truth Empowerment Accountability (politics) |