Elisha W. McComas (January 21, 1823 – March 11, 1890) was an American politician who served as the second Lieutenant Governor of Virginia in 1856 and 1857 under Governor Henry A. Wise.
McComas was living in Cabell County (now in West Virginia) when he was elected Virginia's lieutenant governor. He began his term on 1 January 1856 and resigned on 7 December 1857, when he was succeeded by William Lowther Jackson. McComas served as Captain in the U.S. Army during the Mexican-American War.