See main article: 1856 United States presidential election.
| Election Name: | 1856 United States presidential election in Kentucky |
| Flag Year: | 1856 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1852 United States presidential election in Kentucky |
| Previous Year: | 1852 |
| Next Election: | 1860 United States presidential election in Kentucky |
| Next Year: | 1860 |
| Election Date: | November 4, 1856 |
| Image1: | James Buchanan (cropped).jpg |
| Nominee1: | James Buchanan |
| Party1: | Democratic Party (United States) |
| Home State1: | Pennsylvania |
| Running Mate1: | John C. Breckinridge |
| Electoral Vote1: | 12 |
| Popular Vote1: | 74,642 |
| Percentage1: | 52.54% |
| Nominee2: | Millard Fillmore |
| Party2: | Know Nothing |
| Home State2: | New York |
| Running Mate2: | Andrew J. Donelson |
| Electoral Vote2: | 0 |
| Popular Vote2: | 67,416 |
| Percentage2: | 47.46% |
| Map Size: | 380px |
| President | |
| Before Election: | Franklin Pierce |
| Before Party: | Democratic Party (United States) |
| After Election: | James Buchanan |
| After Party: | Democratic Party (United States) |
The 1856 United States presidential election in Kentucky took place on November 4, 1856, as part of the 1856 United States presidential election. Voters chose 12 representatives, or electors to the Electoral College, who voted for president and vice president.
Kentucky voted for the Democratic candidate, James Buchanan, over American Party candidate Millard Fillmore. Buchanan won Kentucky by a margin of 5.08%.
Republican Party candidate John C. Frémont was not on the ballot in the state.