Bầu cử tổng thống Hoa Kỳ tại Kansas năm 1984

The 1984 United States presidential election in Kansas took place on November 6, 1984. All 50 states and the District of Columbia, were part of the 1984 United States presidential election. Voters chose seven electors to the Electoral College, which selected the president and vice president of the United States. Kansas was won by incumbent United States President Ronald Reagan of California, who was running against former Vice President Walter Mondale of Minnesota. Reagan ran for a second time with incumbent Vice President and former C.I.A. Director George H. W. Bush of Texas, and Mondale ran with Representative Geraldine Ferraro of New York, the first major female candidate for the vice presidency.

The presidential election of 1984 was a very partisan election for Kansas, with just under 99% of the electorate voting for either the Democratic or Republican parties, though several parties appeared on the ballot. In typical form for the time, nearly every county in Kansas voted in majority for the Republican candidate, a particularly strong turn out even in this typically conservative-leaning state. The only exception to this trend was Kansas City's Wyandotte County, which voted primarily Democratic.

In this election, Kansas voted about 7 points more Republican than the national average. Reagan won the election in Kansas in a 34-point landslide. Kansas also continued its age-old trend of voting in par with its sister Great Plains States (North Dakota, South Dakota, and Nebraska), a trend that has not been broken in any presidential election since 1920.