Jec

JEC or Jec may refer to:

• Jabalpur Engineering College, located in Madhya Pradesh, India
• Jaipur Engineering College, located in Jaipur, Rajasthan
• James E. Cornette, a stage name for American professional wrestling manager Jim Cornette
• James Earl Carter (1924–2024), 39th president of the United States
• Jardine Engineering Corporation (JEC), an engineering corporation in Hong Kong, a member of Jardine Matheson Group
• Jersey Electricity Company, in Jersey, Channel Islands
• Jeunesse Etudiante Chrétienne, a worldwide group of young Christian students
• Jewish Educational Center, in New Jersey
• João Emanuel Carneiro, a popular Brazilian screenwriter and film director
• Joinville Esporte Clube, football club in Brazil
• Jonsson Engineering Center, in New York State
• Jorhat Engineering College, in India
• Junta Electoral Central, the Spanish election overseer