VTEC is Variable Valve Timing and Lift Electronic Control, a system developed by Honda for combustion engines.
VTEC or VTech may also refer to:
- VTech, a Hong Kong global supplier of electronic learning products
- Virgin Trains East Coast, a former train operating company in the United Kingdom
- Verotoxin-producing Escherichia coli, strains of the bacterium Escherichia coli
- Valid Time Event Code, used by the United States National Weather Service to automate and disseminate critical weather information