From March 6 to May 18, 1928, voters of the Republican Party chose its nominee for president in the 1928 United States presidential election. The nominee was selected through a series of primary elections and caucuses culminating in the 1928 Republican National Convention held from June 12 to June 15, 1928, in Kansas City, Missouri.

The following candidates stood for nomination in their home states for the purpose of controlling their delegate slate at the convention. They did not receive the first-ballot support of delegates in more than two other states or territories.