Daniel Han Kuo-yu is a Taiwanese politician. He was a member of the Legislative Yuan from 1993 to 2002, representing a portion of Taipei County for three terms. He later became general manager of Taipei Agricultural Products Marketing Corporation. In 2017, Han contested the Kuomintang chairmanship, losing to Wu Den-yih. Han was elected Mayor of Kaohsiung in November 2018, and became the first Kuomintang politician since Wu in 1998 to hold the office. Han and Chang San-cheng represented the KMT in the 2020 Taiwanese presidential election, losing to Tsai Ing-wen and William Lai.