| Election Name: | 2020 South Dakota House of Representatives election |
| Country: | South Dakota |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2018 South Dakota House of Representatives election |
| Previous Year: | 2018 |
| Next Election: | 2022 South Dakota House of Representatives election |
| Next Year: | 2022 |
| Seats For Election: | All 70 Seats in the South Dakota House of Representatives |
| Majority Seats: | 36 |
| Election Date: | November 3, 2020 |
| Image1: | File:Steven_Haugaard.jpg |
| Leader1: | Steven Haugaard |
| Party1: | Republican |
| Color1: | E81B23 |
| Leaders Seat1: | 10th District |
| Seats Before1: | 59 |
| Seat Change1: | 3 |
| Seats After1: | 62 |
| Popular Vote1: | 430,885 |
| Percentage1: | 71.75% |
| Leader2: | Jamie Smith |
| Party2: | Democratic |
| Color2: | 3333FF |
| Leaders Seat2: | 15th District |
| Seats Before2: | 11 |
| Seat Change2: | 3 |
| Seats After2: | 8 |
| Popular Vote2: | 166,484 |
| Percentage2: | 27.72% |
| Map Size: | 450px |
| Speaker | |
| Before Election: | Steve Haugaard |
| Before Party: | South Dakota Republican Party |
| After Election: | Spencer Gosch |
| After Party: | South Dakota Republican Party |
Elections to the South Dakota House of Representatives were held on November 3, 2020, as a part of the biennial elections in the U.S. state of South Dakota. All 70 seats were up for re-election. Each of the 70 seats are subdivided in two single-member districts.[1]
Primary elections were held on June 2, 2020.[2]
| align=center | District 1 • District 2 • District 3 • District 4 • District 5 • District 6 • District 7 • District 8 • District 9 • District 10 • District 11 • District 12 • District 13 • District 14 • District 15 • District 16 • District 17 • District 18 • District 19 • District 20 • District 21 • District 22 • District 23 • District 24 • District 25 • District 26A • District 26B •District 27 • District 28A • District 28B •District 29 • District 30 • District 31 • District 32 • District 33 • District 34 • District 35 |