Cheng Chi-hung (Chinese: 鄭錡雄; pinyin: Zhèng Zhìxióng; born 20 June 1985 in Kaohsiung City, Taiwan), is a Taiwanese professional baseball pitcher for Chinatrust Brothers of Chinese Professional Baseball League (CPBL).
Cheng began his career in 2004 with the Pulaski Blue Jays, the Class-A affiliate of the Toronto Blue Jays.
On January 4, 2009 Cheng signed a Minor League Contract with the Pittsburgh Pirates.
Cheng also plays for the Chinese Taipei national baseball team at the 2009 World Baseball Classic.
This biographical article relating to a Taiwanese baseball figure is a stub.