Charles Henry Robert Thias (November 15, 1879 - November 19, 1922) was an American tug of war athlete who competed in the 1904 Summer Olympics. In the 1904 Olympics he won a bronze medal as a member of Southwest Turnverein of Saint Louis No. 2 team, which is officially considered a mixed team.[1] He was born in Illinois and died in San Francisco, California.[2]