Frederick W. Osborne (May 1865 – August 31, 1907) nicknamed "Ossie", was a Major League Baseball pitcher and outfielder for the Pittsburgh Alleghenys.

Osborne was born in what would later become the Northwest Territories, in an area that was then a little organized part of the British Empire.

He played only part of one season in the majors, 1890, in 41 games including 8 that he pitched in.

He had a career batting average of .238, 1 home run, and 14 runs batted in.

He also was 0–5 with an ERA of 8.38 with only 14 strikeouts compared to 45 walks as a pitcher.