Enkyū (延久?) was a Japanese era name (年号,, nengō,?, lit. "year name") after Jiryaku and before Jōhō. This period spanned the years from April 1069 through August 1074. The reigning emperors were Go-Sanjō-tennō (後三条天皇?) and Shirakawa-tennō (白河天皇?).