Jennifer Lynn Wexton (née Tosini; born May 27, 1968) is an American lawyer and politician serving as the United States representative for Virginia's 10th congressional district since 2019. The district is anchored in the outer portion of Northern Virginia. It includes all of Clarke, Frederick, and Loudoun counties; Manassas, Manassas Park, and Winchester cities; and parts of Fairfax and Prince William counties. A member of the Democratic Party, Wexton was a member of the Virginia Senate from 2014 to 2019 representing the 33rd district, which includes parts of Fairfax and Loudoun counties.