Mitchell Francis "Mike" Balas (May 9, 1910 – October 15, 1996) was a Major League Baseball pitcher who appeared in one game in with the Boston Bees in 1938.^[1]

Balas entered professional baseball in 1929 playing for the Brockton Shoemakers of the New England League.^[2] After moving around the minors for the next 9 years, he played in his only MLB game on April 27, 1938. In that game, he pitched 11⁄3 innings facing 8 batters, surrendering 3 runs (1 earned), walking and striking out none.^[3] Following the game he returned to the minors and continued there until 1940.^[2] He also was a minor league manager from 1945 to 1948.^[2]

Balas was a Jehovah's Witness and in 1942 was prosecuted in the United States District Court for the District of Massachusetts for failing to report to a conscientious objector camp during World War II. He was sentenced by U.S. District Judge George Clinton Sweeney to three years in federal prison.^[4]