Thomas A. Anderson (July 12, 1841 – September 8, 1912) was a United States soldier and native of Pennsylvania who fought with the Union Army as a corporal in Company I of the 1st West Virginia Cavalry during the American Civil War. He was awarded his nation's highest award for valor, the U.S. Medal of Honor, for capturing the flag of a Confederate regiment during the Battle of Appomattox Station on April 8, 1865. The award was conferred on May 3 of that same year.