| Election Name: | 2010 South Dakota gubernatorial election |
| Country: | South Dakota |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2006 South Dakota gubernatorial election |
| Previous Year: | 2006 |
| Next Election: | 2014 South Dakota gubernatorial election |
| Next Year: | 2014 |
| Election Date: | November 2, 2010 |
| Image1: | File:Photo of Gov. Dennis Daugaard.jpg |
| Nominee1: | Dennis Daugaard |
| Running Mate1: | Matt Michels |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 195,024 |
| Percentage1: | 61.51% |
| Nominee2: | Scott Heidepriem |
| Running Mate2: | Ben Arndt |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 122,010 |
| Percentage2: | 38.49% |
| Map Size: | 260px |
| Governor | |
| Before Election: | Mike Rounds |
| Before Party: | Republican Party (United States) |
| After Election: | Dennis Daugaard |
| After Party: | Republican Party (United States) |
The 2010 South Dakota gubernatorial election was held on November 2, 2010 to elect the Governor of South Dakota to a four-year term. Incumbent Republican Governor Mike Rounds was ineligible to run for re-election due to term limits.
Republican candidate Dennis Daugaard was elected, defeating Democratic candidate Scott Heidepriem.
Heidepriem faced no opposition in the Democratic primary.
| Source | Ranking | As of | |
|---|---|---|---|
| Cook Political Report[6] | October 14, 2010 | ||
| Rothenberg[7] | October 28, 2010 | ||
| RealClearPolitics[8] | November 1, 2010 | ||
| Sabato's Crystal Ball[9] | October 28, 2010 | ||
| CQ Politics[10] | October 28, 2010 |
| width='140' | Poll source | width='140' | Dates administered | width='140' | Dennis Daugaard (R) | width='140' | Scott Heidepriem (D) |
|---|---|---|---|---|---|---|---|
| Nielson Brothers Polling | October 20–22, 2010 | align=center | 43% | 40% | |||
| Rasmussen Reports | October 20, 2010 | align=center | 55% | 36% | |||
| Rasmussen Reports | October 9, 2010 | align=center | 57% | 37% | |||
| Rasmussen Reports | September 8, 2010 | align=center | 57% | 28% | |||
| Rasmussen Reports | August 3, 2010 | align=center | 59% | 27% | |||
| Rasmussen Reports | July 6, 2010 | align=center | 52% | 35% | |||
| Rasmussen Reports | June 10, 2010 | align=center | 52% | 36% | |||
| Rasmussen Reports | May 26, 2010 | align=center | 51% | 36% | |||
| Rasmussen Reports | April 21, 2010 | align=center | 53% | 33% | |||
| Rasmussen Reports | March 25, 2010 | align=center | 49% | 32% | |||
| Rasmussen Reports | February 23, 2010 | align=center | 41% | 32% | |||
| Public Policy Polling | December 10–13, 2009 | align=center | 42% | 29% |