Timothy Lee Walberg is an American politician serving as the U.S. representative from Michigan's 5th congressional district since 2023. A member of the Republican Party, he previously represented the 7th district from 2007 to 2009 and from 2011 to 2023. As the longest tenured member from Michigan, Walberg is the current Dean of its delegation to the U.S. House of Representatives.

Michigan's 5th congressional district is a United States congressional district in the Lower Peninsula of Michigan. It includes all of Branch, Cass, Hillsdale, Jackson, Lenawee, Monroe, and St. Joseph counties, southern Berrien County, most of Calhoun County, and far southern Kalamazoo County. The district is represented by Republican Tim Walberg.