Kōan (Muromachi period)

was a Japanese era name (年号, "nengō", lit. year name) of the Northern Court during the Nanboku-chō period after "Enbun" and before "Jōji". The period started in March 1361 and ended in September 1362. During this time, the pretender in Kyoto was . Go-Kōgon's Southern Court rival in Yoshino during this time was .