Robert Somerville Alexander (August 7, 1922 – April 7, 1993) was a Canadian professional baseball pitcher. He attended Bethany College in West Virginia. Alexander was signed by the New York Yankees in 1942. However, he did not make his Major League debut until 1955 with the Baltimore Orioles. He also played for the Cleveland Indians and the Toei Flyers of the Nippon Professional Baseball (NPB). He is the first Canadian player in NPB history. On top of playing baseball, he was also an Aviation Cadet in the United States Navy during World War II.