Hsu Hsin-liang (Chinese: 許信良; pinyin: Xǔ Xìnliáng; Pe̍h-ōe-jī: Khó͘ Sìn-liông; born 27 May 1941) is a Taiwanese politician. He is a formerly Chairman of the Democratic Progressive Party (DPP). He was a supporter of the Pan-Blue Coalition from 2000 to 2008 but then supported the DPP in the 2008 presidential election.
He was expelled from the Kuomintang but broke ranks in 1977 when he ran and won as an independent in the election for Magistrate of Taoyuan County.
Hsu was involved in opposition activity during the first part of 1979. The government impeached him and removed him from office for two years.