Gen'ei (元永) was a Japanese era name (年号,, nengō,; lit. "year name") after Eikyū and before Hōan. This period started in April 1118 and ended in April 1120. The reigning emperor was Emperor Toba-tennō (鳥羽天皇).
♯The Northern pretenders did not recognize the Genkō era. Gentoku was used in the Northern Court until 1332. ₪The Shōkyō era was recognized only by the Northern pretenders, not by the Southern Court. ‡ Upon reunification of the Northern and Southern Courts in 1392, Genchū was discontinued. Meitoku was used until 1394.