Hung Cheng (鄭洪; born March 2, 1937), also known as Hong Zheng, is an American mathematician, novelist, and physicist teaching at MIT.
Cheng received his B.Sc and the Ph.D. degrees from the California Institute of Technology, in 1959 and 1961.
He had post-doctorate research appointments at Caltech, Princeton University and Harvard University before joining the MIT faculty in applied mathematics in 1965.
His doctoral advisor was Leverett Davis, Jr., and his thesis was on spin absorption lines of solids.
In 2017, Cheng received the Distinguished Achievement Award in Technology and Humanity/Humanities from the Chinese Institute of Engineers.