| Election Name: | 1964 Missouri gubernatorial election |
| Country: | Missouri |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1960 Missouri gubernatorial election |
| Previous Year: | 1960 |
| Next Election: | 1968 Missouri gubernatorial election |
| Next Year: | 1968 |
| Election Date: | November 3, 1964 |
| Nominee1: | Warren E. Hearnes |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 1,110,651 |
| Percentage1: | 62.1% |
| Nominee2: | Ethan A.H. Shepley |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 678,949 |
| Percentage2: | 37.9% |
| Map Size: | 270px |
| Governor | |
| Before Election: | John M. Dalton |
| Before Party: | Democratic Party (United States) |
| After Election: | Warren E. Hearnes |
| After Party: | Democratic Party (United States) |
The 1964 Missouri gubernatorial election was held on November 3, 1964, and resulted in a victory for the Democratic nominee, Missouri Secretary of State Warren E. Hearnes, over the Republican candidate, Ethan A.H. Shepley.