1070s in Japan

was a Japanese era name (年号, nengō, lit. year name) after Enkyū and before Jōryaku. This period spanned the years from August 1074 through November 1077. The reigning emperor was .

was a Japanese era name (年号, nengō, lit. year name) after Jōhō and before Eihō. This period spanned the years from November 1077 through February 1081. The reigning emperor was .

was a after Jiryaku and before Jōhō. This period spanned the years from April 1069 through August 1074. The reigning emperors were and .