Armando Marsans Mendiondo (October 3, 1887 – September 3, 1960) was a Cuban professional baseball player who played as an outfielder in Major League Baseball from 1911 to 1918. He played in three different major leagues in his career: with the Cincinnati Reds in the National League (1911–1914), with the St. Louis Terriers in the Federal League (1914–1915), and with the St. Louis Browns and New York Yankees (1916–1918).