蘇貞昌
Incumbent chairperson Tsai Ing-wen was the DPP nominee. She was designated the party’s candidate in April 2011 following a primary by opinion polls. Candidates for the DPP primary were Tsai, former premier Su Tseng-chang and former chairman Hsu Hsin-liang. Former Vice President Annette Lu Hsiu-lien announced her intention to run but withdrew. On 9 September 2012 candidate Tsai chose DPP secretary-general Su Jia-chyuan as her running mate.