Virginia's ninth congressional district is a United States congressional district in the Commonwealth of Virginia, covering much of the southwestern part of the state. The 9th is Virginia's second-largest district in area, covering 9,113.87 square miles. It has been represented by Republican Morgan Griffith since 2011. He took office after defeating 14-term incumbent Democrat Rick Boucher. With a Cook Partisan Voting Index rating of R+23, it is the most Republican district in Virginia.

Lee County is the westernmost county in the U.S. Commonwealth of Virginia. As of the 2020 census, the population was 22,173. Its county seat is Jonesville.