- Democratic Progressive Party chairmanship election, 2008
Three members expressed their desire to run for the position:
Chai Trong-rong, first president of the World United Formosans for Independence and former legislator, announced his candidacy on April 14, 2008. He withdrew from the election on May 12 and endorsed candidate Koo Kwang-ming.
Endorsements Name Former faction Political office References Hsu Tain-tsair Justice Alliance Mayor of Tainan 
Endorsements Name Former faction Political office References Chai Trong-rong Welfare State Alliance Member of the Legislative Yuan  Chen Shih-meng Secretary-General of the Presidential Office  Shieh Jhy-wey N/A Minister of the Government Information Office
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.
Endorsements Name Former faction Political office References Chen Chu New Tide Mayor of Kaohsiung  Chen Ming-wen Justice Alliance Magistrate of Chiayi County N/A Su Huan-chih Justice Alliance Magistrate of Tainan County 
Reorganization of factions
Koo's controversial remarks
Candidate Total votes cast Percentage of vote References Tsai Ing-wen 73,865 57.1%  Koo Kwang-ming 48,882 37.8% Chai Trong-rong 6,530 5.1% Voter turnout 51.1%
- ^ Ko Shu-ling. "Chai makes bid for DPP chair". Taipei Times. https://www.taipeitimes.com/News/taiwan/archives/2008/04/15/2003409323. Retrieved 2008-05-01.
- ^ a b "Chai pulls out of DPP leadership race" (Press release). Taipei Times. 2008-05-13. http://www.taipeitimes.com/News/taiwan/archives/2008/05/13/2003411823. Retrieved 2008-05-17.
- ^ "選黨主席 市長挺蔡同榮" (in traditional Chinese) (Press release). Liberty Times. 2008-05-12. http://www.libertytimes.com.tw/2008/new/may/12/today-south14.htm. Retrieved 2008-05-17.
- ^ "Chen Shih-meng supports Koo’s chairmanship bid" (Press release). Taipei Times. 2008-04-26. http://www.taipeitimes.com/News/taiwan/archives/2008/04/26/2003410312. Retrieved 2008-05-17.
- ^ "民進黨黨魁之爭 蘇治芬挺蔡英文". Liberty Times. http://www.libertytimes.com.tw/2008/new/may/3/today-center1.htm. Retrieved 2008-05-02.
- ^ a b "蔡英文拜票 陳菊、蘇煥智相挺". Liberty Times. http://www.libertytimes.com/2008/new/may/1/today-p8.htm. Retrieved 2008-05-02.
- ^ "第12屆黨主席選舉投(開)票數統計表". Democratic Progressive Party. http://www.dpp.org.tw/news_content.php?sub_menu=43&sn=2652. Retrieved 2008-05-18.
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