Thomas Herrion (December 15, 1981 – August 20, 2005) was an American football player for the San Francisco 49ers. Born in Fort Worth, Texas, Herrion, a 6-foot-3 (190 cm), 310-pound (140 kg) guard, played college football first at Kilgore College at the junior college level before transferring to the University of Utah where he blocked for current San Francisco 49ers quarterback and number one draft pick Alex Smith. He was signed to a reserve/futures contract with the 49ers on January 5, 2005 and spent one season playing in NFL Europe with the Hamburg Sea Devils.