Alexander Xavier Mooney is an American politician serving since 2015 as the U.S. representative from West Virginia's 2nd congressional district. A member of the Republican Party, he represented the 3rd district in the Maryland State Senate from 1999 to 2011 and is a former chair of the Maryland Republican Party. He is the first Hispanic person elected to Congress from West Virginia.

West Virginia's 2nd congressional district consists of the northern half of the state. It contains Barbour, Berkeley, Brooke, Doddridge, Grant, Hampshire, Hancock, Hardy, Harrison, Jefferson, Lewis, Marion, Marshall, Mineral, Monongalia, Morgan, Ohio, Pleasants, Preston, Randolph, Ritchie, Taylor, Tucker, Tyler, Upshur, Wetzel, and Wood counties.