The Hawaii U.S. Senate Primary Election on August 8, 2026, is a federally administered primary election in which voters will select nominees for the Democratic and Republican parties to appear on the general election ballot for one of Hawaii's two U.S. Senate seats. This election determines which candidates will advance to the November 2026 general election to serve a six-year term in the United States Senate representing Hawaii.
The Hawaii U.S. Senate Primary Election on August 8, 2026, is a federally administered primary election in which voters will select nominees for the Democratic and Republican parties to appear on the general election ballot for one of Hawaii's two U.S. Senate seats. This election determines which candidates will advance to the November 2026 general election to serve a six-year term in the United States Senate representing Hawaii.
To vote in the Hawaii U.S. Senate Primary Election, registered voters must be affiliated with a political party to participate in that party's primary, as Hawaii operates a closed primary system. Voters can register online through the Hawaii Office of Elections website, by mail, or in person at their county clerk's office, and must present a valid photo ID at the polls; early voting is available statewide from July 30 to August 6, 2026, with in-person voting also available on Election Day at designated polling places.