Ewing is an unincorporated community and census-designated place in Lee County, Virginia. The population was 439 at the 2010 U.S. Census. Ewing is one of the westernmost settlements in the Commonwealth of Virginia, before reaching the Cumberland Gap and the borders with Kentucky and Tennessee. The Ewing post office was established in 1891. Ewing is home to Thomas Walker High School and the Lincoln Memorial University Veterinarian Teaching and Research Center.