Wakin Chau (Chinese: 周华健; pinyin: Zhōu Huájiàn; Jyutping: Zau1 Waa4 Gin6; born 22 December 1960), better known by his stage name Emil Chau during the 1980s and 1990s, is a Hong Kong-born Taiwanese singer and actor, popular throughout Taiwan, Hong Kong, Mainland China, and parts of Southeast Asia (Singapore, Malaysia, Indonesia and Vietnam).

Wakin Chau was born in a rice store owned by his family at Sai Ying Pun in Hong Kong, the fourth son out of seven children and is a native Cantonese speaker of Chaoshanese descent from Chaoyang, Swatow, Guangdong, mainland China.

His platinum albums, including You Make Me Happy and Sad (讓我歡喜讓我憂), The Flowery Heart (花·心), Music Brings Us Together (有弦相聚) and Emil & Friends (朋友) have won awards in Taiwan, Mainland China, Hong Kong and Singapore.[which?

Chau has also appeared in some films, and on TV and radio programs in China, Hong Kong, Taiwan, Malaysia, Singapore and Japan.

Alongside his singing career, he is a restaurateur and is active in international charitable causes, such as kidney dialysis charities in Singapore, the January 2002 "Take a Deep Breath" concert in Taipei to raise money for local health-care organisations, Beijing's 4th Grand Charity Drive for Children in 2005, and Jackie Chan's all-star concerts in Las Vegas.