| Election Name: | 1829 Maine gubernatorial election |
| Country: | Maine |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1828 Maine gubernatorial election |
| Previous Year: | 1828 |
| Next Election: | 1830 Maine gubernatorial election |
| Next Year: | 1830 |
| Election Date: | September 14, 1829 |
| Nominee1: | Jonathan G. Hunton |
| Party1: | National Republican Party (United States) |
| Popular Vote1: | 23,315 |
| Percentage1: | 50.08% |
| Nominee2: | Samuel E. Smith |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 22,991 |
| Percentage2: | 49.39% |
| Governor | |
| Before Election: | Enoch Lincoln |
| Before Party: | Democratic-Republican Party |
| After Election: | Jonathan G. Hunton |
| After Party: | National Republican Party (United States) |
The 1829 Maine gubernatorial election took place on September 14, 1829. Incumbent Democratic-Republican Governor Enoch Lincoln did not run for re-election. National Republican candidate Jonathan G. Hunton defeated Democratic candidate Samuel E. Smith.
Lincoln died in Augusta, Maine, on October 8, 1829, after the election of his successor Jonathan G. Hunton before Lincoln's term expired. Two Presidents of the Maine Senate, Nathan Cutler and Joshua Hall, had to serve as lame-duck successors between the two men.