He was also called Emperor Sai-in, which came from Junna in (currently Saiin, Nakagyo Ward, Kyoto City), the palace in which he stayed after he abdicated the throne.
譲位後の在所であった淳和院（現在の京都市中京区西院）からつけられた西院天皇（さいいんてんのう）の異称がある。