Stephen Michael Shemo (April 9, 1915 – April 13, 1992) was an American Major League Baseball second baseman who played for the Boston Braves in 1944 and 1945.

A native of Swoyersville, Pennsylvania who was born on April 9, 1915, Shemo stood 5 ft 11 in (1.80 m) and weighed 175 lbs during his professional baseball career.

One of many ballplayers who only appeared in the major leagues during World War II, he made his major league debut on April 18, 1944 (Opening Day) against the New York Giants at the Polo Grounds.

Shemo's career totals included 35 games played, a .260 batting average (20-for-77), eight runs batted in, and seven runs scored.

Shemo died on April 13, 1992 at the age of 77 in Eden, North Carolina.