Roberto Gonzalo Ortiz Núñez (June 30, 1915 – September 15, 1971) was a Cuban professional baseball player. He was an outfielder over parts of six seasons (1941–44, 1949–50) with the Washington Senators and Philadelphia Athletics. For his career, he compiled a .255 batting average in 659 at bats, with eight home runs and 78 runs batted in. He was born in Camagüey, Cuba, and died in Miami at the age of 56.