Emperor Gong of Sui may refer to two rulers at the end of the Sui dynasty:
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Yang You
Emperor Gong of Sui (隋恭帝) (605 – 14 September 619), personal name Yang You (楊侑), was an emperor of the Chinese Sui dynasty. He was installed as a puppet emperor by Li Yuan, and after Emperor Yang of Sui died, Li then became the fou ...
(605–619, reigned 617–618), puppet emperor installed by the rebel Li Yuan (future Emperor Gaozu of Tang)
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Yang Tong
Yang Dong (; 600s–619), known in traditional histories by his princely title of Prince of Yue (越王) or by his era name as Lord Huangtai (皇泰主), posthumous name (as bestowed by Wang Shichong) Emperor Gong (恭皇帝), courtesy name Renji ...
(604–619, reigned 618–619), puppet emperor dominated by the rebel Wang Shichong
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