Pan Wùyún (Chinese: 潘悟云; pinyin: Pān Wùyún, born March 1943 in Rui'an) is a leading Chinese linguist and specialist in historical Chinese phonology.
Pan Wùyún earned his doctorate degree in 1982 from Fudan University in Shanghai. In 1993 he moved from the College of Education at the Pedagogical University in Shanghai, Wenzhou, where he supervised graduate students in Modern Chinese trade. In 1999 he became deputy chairman of the Association of Scientists of Shanghai and Chairman of the Language Research Institute of the Association. Since the mid-1980s, he taught the University of Berkeley, the University of Wisconsin, the University of Oslo, at the City University of Hong Kong and the Chinese University of Hong Kong.
The strong point of Pan Wùyún's research and teaching is the historical phonology of Old Chinese, Middle Chinese, and Chinese dialectology.