Sun DaGuang

Sun Daguang (; 7 January 1917 – 13 January 2005) was a Chinese politician who served as Minister of Transport from 1964 to 1975 and Minister of Geology and Mineral Resources from 1979 to 1983. He was a delegate to the 3rd and 5th National People's Congress.

In 1933, he joined the Communist Youth League of China during his apprenticeship at the Great Wall Bookstore in Shanghai. He was reinstated 1975 as director of the Geological Bureau of the State Development and Reform Commission and subsequently director of the State Geological Administration. In September 1979, he was appointed minister of geology and mineral resources, a position he held until 1983.

In 1985, he became a member of the Central Advisory Commission.

On 13 January 2005, he died from an illness in Beijing, at the age of 88.