Opinion polling for the 2020 South Korean legislative election
In the run up to the 2020 South Korean legislative election, various organisations carried out opinion polling to gauge voting intention in South Korea. Results of such polls are displayed in this article.Opinion polls
Constituency votes
Pre-campaign period
2020
| Date Conducted | Polling firm | DP | UFP | MP | JP | LRP | MIN | PP | PNP | ODP | Others | Undecided | Lead |
| Date Conducted | Polling firm | | | | | | | | | | Others | Undecided | Lead |
| 17-19 March | | 38 | 23 | 1 | 4 | 1 | | 4 | | 1 | 1 | 28 | 15 |
| 16-20 March | | 42.1 | 33.6 | 1.4 | 3.7 | 1.4 | 1.3 | 4.0 | 2.1 | | 1.9 | 8.6 | 8.5 |
| 10-12 March | | 39 | 22 | 0 | 6 | 1 | | 3 | | | 1 | 28 | 17 |
| 9-13 March | | 41.5 | 32.1 | 2.1 | 4.3 | 2.4 | 1.2 | 3.9 | | | 1.6 | 10.9 | 9.4 |
| Date Conducted | Polling firm | DP | UFP | Bareunmirae | NA | JP | PDP | ORP | MIN | PP | Others | Undecided | Lead |
| Date Conducted | Polling firm | | | | | | | | | | Others | Undecided | Lead |
| 18-20 February | | 36 | 23 | 4 | | 7 | | | | 2 | 1 | 27 | 13 |
| 17-21 February | | 40.5 | 33.7 | 3.0 | 1.3 | 4.1 | 2.2 | 1.5 | 1.0 | 2.3 | 0.9 | 9.5 | 6.8 |
2019
2018
;General notes
