ETEC may refer to: Enterotoxigenic Escherichia coli, a bacterium Energy Technology Engineering Center, 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