Legislative Yuan constituencies in Chiayi County

Chiayi's legislative districts (Chinese: 嘉義縣選舉區) consist of 2 single-member constituencies, each represented by a member of the Republic of China Legislative Yuan.

Chiayi County
2 Single-member constituency for the Legislative Yuan
District(s)	Chiayi County
Electorate	428,649
Current constituency
Created	2008
Number of members	2

Current districts

• Chiayi County Constituency 1 - Lioujiao, Dongshi, Puzi, Budai, Yizhu, Lucao, Shuishang Townships, Taibao City
• Chiayi County Constituency 2 - Xikou, Dalin, Meishan, Xingang, Chaozhou, Zhuqi, Zhongpu, Fanlu, Alishan, Dapu Townships

Legislators

  Kuomintang    Democratic Progressive Party

Election	Chiayi County 1		Chiayi County 2
2008 7th		Wong Chung-chun		Helen Chang (2008-2009)1
2009 by-election				Chen Ming-Wen
2012 8th
2016 9th		Tsai Yi-yu
2020 10th
2024 11th				Chen Kuan-ting

^[1] Helen Chang resigned in 2009 after elected Chiayi County magistrate.

Election results

2016 Legislative election
		Elected			Runner-up
Incumbent	Constituency	Candidate	Party	Votes (%)	Candidate	Party	Votes (%)
Kuomintang Wong Chung-chun	Chiayi County Constituency 1	Tsai Yi-yu	DPP	52.96%	Lin Chiang-chuan	Kuomintang	45.44%
DPP Chen Ming-Wen	Chiayi County Constituency 3	Chen Ming-Wen	DPP	65.18%	Lin Yu-ling	Kuomintang	31.86%