Zhu Wenkui (born 30 November 1396) was the elder son and Crown Prince of the Jianwen Emperor of the Ming dynasty, born by Empress Ma, when his parents were Crown Prince and Crown Princess respectively.
In 1402, Zhu Di, Prince of Yan sacked Nanjing, both Jianwen and Wenkui disappeared.《明会要/卷003》：太子文奎，建文元年，立为皇太子。燕师入，七岁矣，莫知所终。 It was said that Wenkui died in the palace fire set by Jianwen; or Wenkui was demoted to commoner rank and put under house arrest at Fengyang; when he was released, he was 61 and his son was about 40.《罪惟录·传之卷四·同姓诸王列传》：“文奎已六十有二矣，子年亦四十许。”
In the period of the Southern Ming, he was posthumously honored Crown Prince Gongmin (by the Hongguang Emperor) and Crown Prince Hejian (by the Longwu Emperor).《南明史》（卷七 志第二·禮中）明安宗的追復作恭愍太子，明紹宗的追復作和簡太子。
He was the only male royalty in Ming dynasty that born during the reign of his great-grandfather, and thus Hongwu Emperor was the only Ming emperor that lived to see his great-grandson born.
See also List of people who disappeared mysteriously (pre-1910)
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