DET

DET or Det may refer to:

• Detroit, Michigan
  • The Detroit Tigers, a baseball team in the MLB
  • The Detroit Lions, a football team in the NFL
  • The Detroit Red Wings, a hockey team in the NHL
  • The Detroit Pistons, a basketball team in the NBA
  • Detroit (Amtrak station); Amtrak station code DET
  • Coleman A. Young International Airport, formerly Detroit City Airport, IATA Code DET
• Diethyltryptamine, a psychedelic drug
• Detection Error Tradeoff
• The IATA code for Coleman A. Young International Airport
• The mathematical determinant (e.g. )
• Among explosives users, jargon for "detonator"
• The New South Wales Department of Education and Training
• The Western Australian Department of Education and Training
• Detective
• Double embryo transfer (for example during IVF)