Hoàng Cao Khải (, ; 1850, in Đức Thọ District – 1933) was a viceroy of Tonkin (locally known as Bắc Kỳ), the northernmost of the three parts of Vietnam under French colonial rule.
Hoàng Cao Khải (, ; 1850, in Đức Thọ District – 1933) was a viceroy of Tonkin (locally known as Bắc Kỳ), the northernmost of the three parts of Vietnam under French colonial rule.