Вашингтон штатындағы 2000 жылғы Сенат сайлауы

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The 2000 United States Senate election in Washington was held on November 7, 2000. Incumbent Republican U. S. Senator Slade Gorton was seeking reelection to a third consecutive term, and a fourth overall, but he was unseated for a second time by a very narrow margin (the first time being in 1986) by former Congresswoman Maria Cantwell. The race was the most expensive contest in the state's history at the time. By a margin of 0.09%, this election was the closest race of the 2000 Senate election cycle. Cantwell's victory was credited to her strength in the Puget Sound suburbs of Seattle, where she performed well. The campaign proved an expensive affair, with Cantwell spending almost $10 million of her own money she made at RealNetworks on her campaign. Maria Cantwell's inauguration marked the first time since 1981 where Democrats held both Senate seats from Washington.

Slade Gorton, incumbent U. S. Senator
Warren E. Hanson, commercial fisherman

In the general election, Cantwell campaigned as a modern candidate with experience in high tech who understood the modern economy; she accused Gorton of offering "19th century solutions to 21st century problems". Following the recount, Cantwell was certified the winner of the election by 2,229 votes out of more than 2.4 million. Cantwell carried only five of the state's 39 counties, but won King County (home to Seattle) by more than a 150,000 vote margin.

After her victory, Cantwell announced that there was only "One Washington"; she also said she would work to make sure the entire state benefited from the Puget Sound region's prosperity, and that each year she would visit each of the state's 39 counties, interpreted as a gesture to the counties which she had lost.