{{Infobox royalty|name = Saga|succession = Emperor of Japan|image = Emperor Saga large.jpg|reign = 18 May 809 – 23 May 823|predecessor = Heizei|successor = جونا (ایمپیراتور)|spouse = {{plainlist|* Tachibana no Kachiko* Princess Takatsu* Tajihi no Takako {{small|(among others)}}}}