ETEC may refer to:
*
Enterotoxigenic ''Escherichia coli'', a bacterium
*
Energy Technology Engineering Center
The Energy Technology Engineering Center (ETEC), was a government-owned, contractor-operated complex of industrial facilities located within the Santa Susana Field Laboratory (SSFL), Ventura County, California. The ETEC specialized in non-nuclear ...
, a nuclear engineering complex in California
*
Etec Systems, Inc., a technology company
*
Escadron de transport, d'entrainement et de calibration, a unit of the French Air Force
*
E-TEC II, a car engine
*
ETEC Lauro Gomes, an educational facility located in São Bernardo do Campo, SP, Brazil
{{disambiguation