Iowa's 5th congressional district is an obsolete congressional district in the U.S. state of Iowa. It was last represented by Republican Steve King in 2013, who continued to serve in the U.S. House of Representatives after the district's obsolescence as the representative for Iowa's 4th congressional district.

Steven Arnold King is an American far-right politician and businessman who served as a U.S. representative from Iowa from 2003 to 2021. A member of the Republican Party, he represented Iowa's 5th congressional district until 2013 and the state's 4th congressional district from 2013 to 2021.