Ann Kao Hung-an (Chinese: 高虹安; pinyin: Gāo Hóng'ān; born 25 January 1984) is a Taiwanese business executive and politician. She earned bachelor's and master's degrees from National Taiwan Normal University and National Taiwan University, respectively, before working as a researcher for the Institute for Information Industry. The institute subsidized Kao's doctoral study at the University of Cincinnati. She then worked for Foxconn until 2020, when she was elected to the Legislative Yuan as a member of the Taiwan People's Party. Partway through her legislative term, Kao was elected Mayor of Hsinchu during the 2022 local election cycle.