Virginia's 10th congressional district election was one of the highest-profile United States House of Representatives elections of 2018, and the most competitive in Virginia. Republican incumbent Barbara Comstock lost re-election to a third term to Democrat Jennifer Wexton, a lawyer and State Senator representing Loudoun County.

Jennifer Lynn Wexton is an American lawyer and politician who has served as the United States representative for Virginia's 10th congressional district since 2019. The district is anchored in the outer portion of Northern Virginia, and includes all of Fauquier County, Loudoun County, and Rappahannock County, parts of Fairfax County and Prince William County, and the independent cities of Manassas and Manassas Park.