| Election Name: | 1866 Kansas gubernatorial election |
| Country: | Kansas |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1864 Kansas gubernatorial election |
| Previous Year: | 1864 |
| Next Election: | 1868 Kansas gubernatorial election |
| Next Year: | 1868 |
| Election Date: | 6 November 1866 |
| Nominee1: | Samuel J. Crawford |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 19,370 |
| Percentage1: | 70.38% |
| Nominee2: | J. L. McDowell |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 8,151 |
| Percentage2: | 29.62% |
| Governor | |
| Before Election: | Samuel J. Crawford |
| Before Party: | Republican Party (United States) |
| After Election: | Samuel J. Crawford |
| After Party: | Republican Party (United States) |
The 1866 Kansas gubernatorial election was held on 6 November 1866 in order to elect the Governor of Kansas. Incumbent Republican Governor of Kansas Samuel J. Crawford defeated Democratic nominee J. L. McDowell.[1]
On election day, 6 November 1866, Republican nominee Samuel J. Crawford won re-election by a margin of 11,219 votes against his opponent Democratic nominee J. L. McDowell, thereby retaining Republican control over the office of Governor. Crawford was sworn in for his second term on 11 January 1867.[2]