| Election Name: | 1990 United States Senate election in Kentucky |
| Country: | Kentucky |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1984 United States Senate election in Kentucky |
| Previous Year: | 1984 |
| Next Election: | 1996 United States Senate election in Kentucky |
| Next Year: | 1996 |
| Election Date: | November 6, 1990 |
| Image1: | Mitch-McConnell-107th.jpg |
| Nominee1: | Mitch McConnell |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 478,034 |
| Percentage1: | 52.19% |
| Nominee2: | Harvey Sloane |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 437,976 |
| Percentage2: | 47.81% |
| Map Size: | 300px |
| U.S. Senator | |
| Before Election: | Mitch McConnell |
| Before Party: | Republican Party (United States) |
| After Election: | Mitch McConnell |
| After Party: | Republican Party (United States) |
The 1990 United States Senate election in Kentucky was held on November 6, 1990. Incumbent Republican U.S. Senator Mitch McConnell won re-election to a second term.