Adam Cheng Siu-Chow (Simplified Chinese: 郑少秋, Traditional Chinese: 鄭少秋, Jyutping: Ching6 Siu2 Tsau1, Pinyin: Zheng4 Shao3 Qiu1, Originally named Cheng Chong-sai) (born February 24, 1947 in Hong Kong) is a popular TVB actor and singer in Hong Kong.

He started his career in the 1970s. He often sang the themesongs of the TV dramas he starred in, such as The Greed of Man and Chor Lau Heung . Many of these series are considered classics.

He married Lydia Shum in 1987 and had a daughter in 1988, but they divorced just less than a month after she was born. In 1989, he married another woman and had another two daughters.