| TEC | Tactical ELINT Correlator 
| Others |
| TEC | Tarif Exterieur Common
| Others |
| TEC | Tarifa exterior
| Others |
| TEC | Tawazun Economic Council
| Others |
| TEC | Tax Exempt Customer
| Others |
| TEC | Teacher Encouragement Committee
| Others |
| TEC | Team Endurance Challenge
| Others |
| TEC | TEC The Education Cooperative
| Others |
| TEC | Technical Education Center
| Others |
| TEC | Technical Education Certificate
| Others |
| TEC | Technical Evaluation Committee
| Business, Company, Committee, Project, Team |
| TEC | Technical Event Company
| Others |
| TEC | Technical Excellence and Creativity
| Others |
| TEC | Technical Excellence Creativity
| Others |
| TEC | Technological Entrepreneurs Club
| Others |
| TEC | Technologies
| Others |
| TEC | Technology and Education for Christ
| Others |
| TEC | Technology and Entertainment Convergence
| Others |
| TEC | Technology Education Courses
| Others |
| TEC | Technology Education For Christ
| Others |
| TEC | Technology Enabled Care
| Others |
| TEC | Technology Enabled Clothing
| Others |
| TEC | Technology Enhancing Curriculum
| Others |
| TEC | Technology Entrepreneur and Company
| Others |
| TEC | Technology Entrepreneur Center
| Others |
| TEC | Technology Entrepreneur Company
| Others |
| TEC | Technology Entrepreneurship Capital
| Others |
| TEC | Technology Evaluation Center
| Others |
| TEC | Technology Evaluation Centers
| Others |
| TEC | Technology Executive Committee
| Others |
| TEC | Technology, Education, and Capital
| Others |
| TEC | Technology, Education, and Commerce
| Others |
| TEC | Tecnologia Para Economia de Combustivel
| Others |
| TEC | Teens Encounter Christ
| Others |
| TEC | Teens Encountering Christ
| Others |
| TEC | Telemaco Borba, PR, Brazil
| Others |
| TEC | Teleman Chief Petty Officer
| Others |
| TEC | Telescope Engineering Company
| Others |
| TEC | Tennis Elbow Care
| Others |
| TEC | Test Equipment Center
| Others |
| TEC | Texas Education Code
| Others |
| TEC | Texas Electric Cooperatives
| Others |
| TEC | Texas Employment Commission
| Others |
| TEC | Texas Environmental Center
| Others |
| TEC | Text Encoding Conversion
| Others |
| TEC | Textured Energy Control
| Others |
| TEC | The Education Cooperative
| Others |
| TEC | The Elite Clan
| Others |
| TEC | The Elite Commandos
| Others |
| TEC | The Energy Conservatory
| Others |
| TEC | The Engineering Corporation
| Others |
| TEC | The Entrepreneurs' Club
| Others |
| TEC | The Episcopal Church
| Others |
| TEC | The Erosion Company
| Others |
| TEC | The Evil Clan
| Others |
| TEC | The Executive Committee
| Others |
| TEC | Theater Engineer Command
| Others |
| TEC | Thermal Efficient Control
| Others |
| TEC | Thermal Electric Cooler
| Others |
| TEC | Thermal Expansion Coefficient
| Others |
| TEC | Thermally Expanded Core
| Others |
| TEC | Thermo-Electric Conductor
| Others |
| TEC | Thermo-Electric Cooling
| Others |
| TEC | Thevenin Equivalent Circuit
| Others |
| TEC | Thiotepa, Etoposide, Carboplatin
| Others |
| TEC | Threatened Ecological Community
| Others |
| TEC | Threshold Exceed Condition
| Others |
| TEC | Threshold Exceeded Condition
| Others |
| TEC | thromboembolic complications
| Others |
| TEC | Thymic Epithelial Cell
| Others |
| TEC | Thyroid Epithelial Cell
| Others |
| TEC | Tivoli Enterprise Console
| Others |
| TEC | Tivoli Entertainment Console
| Others |
| TEC | To Encounter Christ
| Others |
| TEC | Together Encounter Christ
| Others |
| TEC | Together Encountering Christ
| Others |
| TEC | Tools for Enriching Calculus
| Others |
| TEC | Top Eliminator Club
| Others |
| TEC | Total Electron Content
| Others |
| TEC | Total Electronic Control
| Others |
| TEC | Total Employment Cost
| Others |
| TEC | Total End Cost
| Others |
| TEC | Total Engine Control
| Others |
| TEC | Total Entertainment Center
| Others |
| TEC | Total Environment Control
| Others |
| TEC | Total Eosinophil Count
| Others |
| TEC | Tournament Entry Chip
| Others |
| TEC | Toyota Enthusiasts Club
| Others |
| TEC | Toyota Environmental Challenge
| Others |
| TEC | Toyota Eurocare
| Others |
| TEC | Toyota Extra Care
| Others |
| TEC | Tracheal Epithelial Cells
| Others |
| TEC | Traffic Engineering Centre
| Others |
| TEC | Training and Enterprise Council
| Others |
| TEC | Training and Enterprise Council (extinct)
| Others |
| TEC | Training and Enterprise Council (now abolished)
| Others |
| TEC | Training Enterprise and Childcare
| Others |
| TEC | Training Extension Course
| Others |
| TEC | Transaction Exchange Currency
| Others |
| TEC | Transluminal Endarterectomy Catheter
| Others |
| TEC | Transport and Environment Committee
| Others |
| TEC | Tread Edge Cover
| Others |
| TEC | Trichy Engineering College
| Others |
| TEC | Triggered Event Command
| Others |
| TEC | Trim Efficiency Control
| Others |
| TEC | True Entrepreneur Corps
| Others |
| TEC | Tubular Epithelial Cell
| Others |
| TEC | Type Equipment Code
| Others |
| TEC | Typical Electricity Consumption
| Others |
| TEC | VIT University - Technology and Electronics Club
| Others |