Su Jia-chyuan (or Su Chia-chyuan; Chinese: 蘇嘉全; pinyin: Sū Jiāquán; born 22 October 1956) is a Taiwanese politician of the Democratic Progressive Party (DPP) who serves as the chairperson of the Taiwan–Japan Relations Association since 2022.

As the first non-Kuomintang President of the Legislative Yuan, Su is an at-large legislator and previously Commissioner of Pingtung County, and held national posts as Minister of the Interior and Minister of Agriculture under President Chen Shui-bian's administration.

[3] From May to August 2020, he briefly served as Secretary General to the President under the Tsai Ing-wen administration.

[12][13] He resigned on 2 August 2020, following allegations of bribery against his nephew, legislator Su Chen-ching [zh].

Su's villa, built on agricultural land, was a controversial issue in the 2012 presidential elections.