| Election Name: | 1860 Missouri gubernatorial election |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1857 Missouri gubernatorial special election |
| Previous Year: | 1857(special) |
| Next Election: | 1864 Missouri gubernatorial election |
| Next Year: | 1864 |
| Election Date: | August 6, 1860 |
| Nominee1: | Claiborne Fox Jackson |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 74,446 |
| Percentage1: | 46.95% |
| Nominee2: | Sample Orr |
| Party2: | Constitutional Union Party (United States) |
| Popular Vote2: | 66,583 |
| Percentage2: | 41.99% |
| Nominee3: | Hancock Lee Jackson |
| Party3: | Southern Democratic (United States) |
| Popular Vote3: | 11,415 |
| Percentage3: | 7.20% |
| Map Size: | 270px |
| Governor | |
| Before Election: | Robert Marcellus Stewart |
| Before Party: | Democratic Party (United States) |
| After Election: | Claiborne Fox Jackson |
| After Party: | Democratic Party (United States) |
The 1860 Missouri gubernatorial election was held on August 6, 1860, and resulted in a victory for the Democratic nominee, Claiborne Fox Jackson. Jackson defeated the nominee of the Constitutional Union Party, Sample Orr, and Southern "Brekenridge" Democrat Former Gov. Hancock Lee Jackson to become the fifteenth governor of Missouri. Republican James B. Gardenhire also ran in the election, but received a negligible number of votes.
Before the next election in 1864, three men would serve as Governor of Missouri: first, Claiborne Fox Jackson until his defection to the Confederacy in July 1861, then Hamilton Rowan Gamble until his death in January 1864, and finally Lt. Gov Willard Preble Hall.[1]