Ethan Nathan Allen (January 1, 1904 – September 15, 1993) was an American center fielder in Major League Baseball from 1926 to 1938. He played for the Cincinnati Reds (1926–30), New York Giants (1930–32), St. Louis Cardinals (1932–33), Philadelphia Phillies (1934–36), Chicago Cubs (1936), and St. Louis Browns (1936–38).