Nguyễn Sinh Hùng is a Vietnamese politician who served as Chairman of the National Assembly of Vietnam from 2011 to 2016. Nguyễn Sinh Hùng was previously one of the country's four "key leaders", along with Party General Secretary Nguyễn Phú Trọng, President Trương Tấn Sang and Prime Minister Nguyễn Tấn Dũng, during the 11th National Congress of the Communist Party of Vietnam. He graduated from the University of National and World Economy in Bulgaria.

The National Assembly of the Socialist Republic of Vietnam is the unicameral parliament and the highest body of state power of Vietnam. The National Assembly is the only branch of government in Vietnam and, in accordance with the principle of unified power, all state organs are subservient to it.