Sumalagu (; originally Sumal, in Manchu ; 1615 – 24 October 1705) was a palace attendant of the Qing dynasty. She was a close confidante of Empress Dowager Xiaozhuang during the reign of the Shunzhi Emperor.

Empress Dowager Xiaozhuang called her "Gege", a title reserved for only imperial princesses.

She acted as the messenger between prince Shizu and his mother during the reign of Dorgon.Lily Xiao Hong Lee, Sue Wiles: Biographical Dictionary of Chinese Women: v. 1: The Qing Period, 1644-1911

Upon the wish of the empress dowager, she escorted empress Borjigit incognito to receive medical treatment by the Jesuit Adam Schall von Bell.Lily Xiao Hong Lee, Sue Wiles: Biographical Dictionary of Chinese Women: v. 1: The Qing Period, 1644-1911

Sumalagu taught the young Kangxi Emperor the Manchu language while he was under her care. She was a supporter of the Kangxi Emperor when he asserted his power against the power base of Oboi in 1667–69.Lily Xiao Hong Lee, Sue Wiles: Biographical Dictionary of Chinese Women: v. 1: The Qing Period, 1644-1911

In 1687, she was given the responsibility of looking after Yuntao, one of Kangxi's sons.

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