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 (born 1924), 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