Erin Suzanne Houchin is an American politician serving as the U.S. representative for Indiana's 9th congressional district since 2023. A member of the Republican Party, she represented the 47th district in the Indiana Senate from 2014 to 2022.

Indiana's 9th congressional district is a congressional district in the U.S. state of Indiana. Located in south-central and southeastern Indiana, the district stretches from the south suburbs of Indianapolis to the Indiana side of the Louisville metropolitan area. The district's largest city is Bloomington, home to Indiana University.