| Election Name: | 1866 Oregon gubernatorial election |
| Country: | Oregon |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1862 Oregon gubernatorial election |
| Previous Year: | 1862 |
| Next Election: | 1870 Oregon gubernatorial election |
| Next Year: | 1870 |
| Election Date: | June 4, 1866 |
| Nominee1: | George Lemuel Woods |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 10,316 |
| Percentage1: | 50.68% |
| Nominee2: | James K. Kelly |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 10,039 |
| Percentage2: | 49.32% |
| Map Size: | 270px |
| Governor | |
| Before Election: | A. C. Gibbs |
| Before Party: | Republican Party (United States) |
| After Election: | George L. Woods |
| After Party: | Republican Party (United States) |
The 1866 Oregon gubernatorial election took place on June 4, 1866, to elect the governor of the U.S. state of Oregon. The election matched Republican George Lemuel Woods against Democrat James Kerr Kelly.[1]