| Election Name: | 1986 United States Senate election in Alaska |
| Country: | Alaska |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1980 United States Senate election in Alaska |
| Previous Year: | 1980 |
| Next Election: | 1992 United States Senate election in Alaska |
| Next Year: | 1992 |
| Election Date: | November 4, 1986 |
| Image1: | Frank Murkowski 1987.jpg |
| Nominee1: | Frank Murkowski |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 97,764 |
| Percentage1: | 54.02% |
| Nominee2: | Glenn Olds |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 79,727 |
| Percentage2: | 44.10% |
| Map Size: | 325px |
| U.S. Senator | |
| Before Election: | Frank Murkowski |
| Before Party: | Republican Party (United States) |
| After Election: | Frank Murkowski |
| After Party: | Republican Party (United States) |
The 1986 United States Senate election in Alaska was held on November 4, 1986. Incumbent Republican United States Senator Frank Murkowski ran for a second term in the United States Senate and was primarily opposed by Alaska Pacific University President Glenn Olds. Following a highly competitive election in 1980, Murkowski faced a legitimate opponent in Glenn Olds, and the contest was fairly close. However, in the end, Murkowski was able to defeat Olds by a slightly wider margin than he won by six years prior.