Alexander Holladay (18 September 1811-29 January 1877) was a member of the US House of Representatives (D-VA 8) from 4 March 1849 to 3 March 1853, succeeding Richard L.T. Beale and preceding Charles J. Faulkner. Born in Mineral, he practiced law in Spotsylvania, Orange, and Louisa Counties before serving in the state house from 1845 to 1847, in Congress, and as president of the Virginia Board of Public Works from 1857 to 1861.