George Washington Christensen (Tarzan) (December 13, 1909 – July 1, 1968) was an American football player and businessman. He played college football for the University of Oregon and professional football for the Portsmouth Spartans (1931–1933) and Detroit Lions (1934–1938). He later formed the Christensen Diamond Products Company, which became a publicly traded company manufacturing industrial, drilling and military equipment with plants in Europe, Asia, South America and North America.