{{Infobox royalty| name           = Kanmu| image           = Emperor Kammu large.jpg| caption         = | succession      = Emperor of Japan| reign           = 781–806| coronation      = April 30, 781| cor-type        = Enthronement| predecessor     = کونین (ایمپیراتور)| successor       = Heizei| spouse          = {{plainlist|* Fujiwara no Otomuro* Princess Sakahito {{small|(among others)}}}}