John Philip Tsitouris (May 4, 1936 – October 22, 2015) was an American professional baseball player who pitched in the Major Leagues from 1957–60 and 1962–68. He threw and batted right-handed, stood 6 feet (1.8 m) tall and weighed 175 pounds (79 kg). Tsitouris' Major League record included 149 games pitched, 34 wins, 18 complete games, five shutouts, three saves and 432 strikeouts in 663 innings. He surrendered 653 hits and 260 bases on balls. Tsitouris died in Monroe on October 22, 2015.