Tony Fan-Cheong Chan is a Hong Kong mathematician who served as the 3rd president of the King Abdullah University of Science and Technology in Saudi Arabia from September 2018 to August 2024.

He previously served as 3rd president of the Hong Kong University of Science and Technology from September 2009 to October 2018.

[2] Chan has been a professor emeritus of mathematics at the University of California, Los Angeles since 2009.

[citation needed] He was appointed chair of the Department of Mathematics in 1997 and served as dean of physical sciences from 2001 to 2006.

[5] He has been a professor emeritus of mathematics at the University of California, Los Angeles since 2009.