The 2024 Missouri Republican presidential caucuses were held on March 2, 2024, as part of the Republican Party primaries for the 2024 presidential election. 54 delegates to the 2024 Republican National Convention were allocated on a winner-take-most basis. The contest was held alongside caucuses in Idaho and Michigan.
Former president Donald Trump defeated former U.N. ambassador Nikki Haley in a landslide, winning all 924 state delegates. However, no delegates to the national convention were allocated at the caucuses and delegates will not be bound until the April "district conventions" or the May state convention.
The following candidates were eligible for nomination at the Missouri caucuses:
In June 2022, Governor Mike Parson signed HB 1878, which repealed the state's presidential primary. Numerous attempts were made by the Missouri General Assembly to reinstate it, but it was not done in time. In October 2023, the Missouri Republican Party announced it would hold caucuses in 2024.
The Associated Press called the race for Donald Trump shortly after the polls closed.