| Election Name: | 1998 United States Senate election in Alaska |
| Country: | Alaska |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1992 United States Senate election in Alaska |
| Previous Year: | 1992 |
| Next Election: | 2004 United States Senate election in Alaska |
| Next Year: | 2004 |
| Election Date: | November 3, 1998 |
| Image1: | Frank Murkowski, 105th Congress photo.jpg |
| Nominee1: | Frank Murkowski |
| Party1: | Republican Party (United States) |
| Popular Vote1: | 165,227 |
| Percentage1: | 74.49% |
| Nominee2: | Joseph Sonneman |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 43,743 |
| Percentage2: | 19.72% |
| U.S. Senator | |
| Before Election: | Frank Murkowski |
| Before Party: | Republican Party (United States) |
| After Election: | Frank Murkowski |
| After Party: | Republican Party (United States) |
The 1998 United States Senate election in Alaska was held November 3, 1998. Incumbent Republican United States Senator Frank Murkowski sought re-election to a fourth term in the United States Senate. Murkowski easily won re-election against Democratic nominee Joseph Sonneman, a perennial candidate, earning nearly 75% of the vote.
This is the last time any one won this seat with a majority of the vote in the first round. As of 2023, this is the last time a male or a man was elected to the United States Senate from Alaska for the Class 3 Senate seat.