The 1959 United States Senate elections in Hawaii were held July 28, 1959. Following the admission of Hawaii as the fiftieth State in the union, the state held two simultaneous elections to determine their first senators.

The elections were split between the Republican and Democratic parties. The new senators took office August 21. Oren E. Long was given seniority based on his service as Governor of Hawaii. Hiram Fong became the first Asian American U.S. senator and the first Senator to be born outside of the contiguous United States.

Quick Facts Nominee, Party ...

1959 class 1 Senate election

1964 →

Nominee Hiram Fong Frank Fasi Party Republican Democratic Popular vote 87,161 77,647 Percentage 52.89% 47.11%

Fong:      50–60%      60–70%

Elected U.S. senator Hiram Fong Republican

Close

This election was for the class 1 term expiring in 1965. It was won by Republican Hiram Fong.

Quick Facts Nominee, Party ...

1959 class 3 Senate election

1962 →

Nominee Oren Long Wilfred Tsukiyama Party Democratic Republican Popular vote 83,700 79,123 Percentage 51.08% 48.28%

Long:      50–60% Tsukiyama:      40–50%      50–60%

Elected U.S. senator Oren Long Democratic

Close

This election was for the Class 3 term expiring in 1963. It was won by Democrat Oren Long, who started an as-of-yet uninterrupted streak of Democratic victories in the Class 3 Senate seat in Hawaii. As of 2022, Tsukiyama's loss by a 2.8 point margin is the closest Republicans have come to winning this seat.

• 1959 Hawaii gubernatorial election
• 1959 United States House of Representatives election in Hawaii
• 1959 Hawaii Senate election