Su Huan-chih (Chinese: 蘇煥智; pinyin: Sū Huànzhì; Wade–Giles: Su1 Huan4-chih4; born July 20, 1956) was the magistrate of Tainan County from 2001 to 2010, until Tainan County's merger into Tainan City. Born in a rural township in southern Taiwan, Su graduated from National Taiwan University. He passed the bar examination in 1986 and started his career as a lawyer.