Chen Chu
Tsai Ing-wen, former vice premier and former chairperson of the Mainland Affairs Council, won support from many local executives and decided to launch her campaign. She earned endorsements from Chiayi County magistrate Chen Ming-wen, Kaohsiung mayor Chen Chu, Tainan County magistrate Su Huan-chih, and Yunlin County magistrate Su Chih-fen.