| Chiayi County | |
| Type: | 2 Single-member |
| Parl Name: | Legislative Yuan |
| Region Label: | District(s) |
| Region: | Chiayi County |
| Elects Howmany: | 2 |
| Electorate: | 428,649 |
| Year: | 2008 |
Chiayi's legislative districts consist of 2 single-member constituencies, each represented by a member of the Republic of China Legislative Yuan.
| Election | Chiayi County 1 | Chiayi County 2 | ||
|---|---|---|---|---|
| 2008 7th | Wong Chung-chun | Helen Chang (2008-2009) | ||
| 2009 by-election | Chen Ming-Wen | |||
| 2012 8th | ||||
| 2016 9th | Tsai Yi-yu | |||
| 2020 10th | ||||
| 2024 11th | Chen Kuan-ting | |||
| 2016 Legislative election[1] | ||||||||
|---|---|---|---|---|---|---|---|---|
| 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% | |