| Election Name: | 1998 United States Senate election in Hawaii |
| Country: | Hawaii |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1992 United States Senate election in Hawaii |
| Previous Year: | 1992 |
| Next Election: | 2004 United States Senate election in Hawaii |
| Next Year: | 2004 |
| Election Date: | November 3, 1998 |
| Image1: | Daniel Inouye official photo.jpg |
| Nominee1: | Daniel Inouye |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 315,252 |
| Percentage1: | 79.18% |
| Nominee2: | Crystal Young |
| Party2: | Republican Party (United States) |
| Popular Vote2: | 70,964 |
| Percentage2: | 17.82% |
| Map Size: | 310px |
| U.S. Senator | |
| Before Election: | Daniel Inouye |
| Before Party: | Democratic Party (United States) |
| After Election: | Daniel Inouye |
| After Party: | Democratic Party (United States) |
The 1998 United States Senate election in Hawaii was held November 3, 1998 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Democratic U.S. Senator Daniel Inouye won re-election to a seventh term.