Peter Chan Chun-chuen (born 23 December 1959), earlier known as Tony Chan, is a Hong Kong businessman and the former Feng shui geomancer to the late Nina Wang, who at the time of her death was chair of Chinachem Group and Asia's richest woman. He laid claim to Wang's HK$83 billion estate after she died from ovarian cancer in 2007, claiming to have been her lover.