Bernard Chan Cheng Wah (born 8 October 1946) is a retired swimmer and water polo player from Singapore.

He competed at the 1964 Summer Olympics for Malaysia in the 200 m butterfly and 4×100 m medley relay events, but failed to reach the finals.

His sister Patricia and brothers Alex and Roy competed at the Olympic and Asian Games.

[2] His other brother Mark Chan is a composer,[3][4] whereas his other sister Victoria Chan-Palay became a prominent neuroscientist in the United States and Switzerland.

[5] His daughter Marina Chan is also an international swimmer.