Feng Duan (Chinese: 冯端; June 11, 1923 – 15 December 2020) was a Chinese physicist and politician. He was an expert in solid-state physics. He was a member of the Chinese Academy of Sciences from 1980 until his death. He was a delegate to the National People's Congress from 1983 to 1994. Feng was born in Suzhou, Jiangsu.