Michael Kent Braun is an American businessman and politician serving as the junior United States senator from Indiana since 2019. A member of the Republican Party, he previously represented the 63rd district in the Indiana House of Representatives from 2014 to 2017. Braun was elected to the United States Senate in 2018, defeating Democratic incumbent Joe Donnelly. He is the Republican nominee for governor of Indiana in the 2024 election.

The 2018 United States Senate election in Indiana took place on November 6, 2018, along with other elections to the United States Senate and House of Representatives and various state and local elections. Incumbent Democratic Senator Joe Donnelly lost re-election to a second term to Republican Mike Braun by a 6% margin. This was the second consecutive election for this seat where the incumbent was defeated and/or the seat flipped parties.