Yang Hung-duen (traditional Chinese: 楊弘敦; simplified Chinese: 杨弘敦; pinyin: Yáng Hóngdūn; born 3 September 1965) is a Taiwanese physicist.

Yang earned a Bachelor of Science degree in physics from National Taiwan Normal University, and a doctorate in the subject from Iowa State University.

Upon graduation in 1987, he returned to Taiwan for a teaching position at National Sun Yat-sen University.

In 2008, Yang was named President of National Sun Yat-sen University.

[1] In April 2016, he was appointed Minister of Science and Technology.