Howard Dean Koplitz (May 4, 1938 – January 2, 2012) was an American professional baseball pitcher who appeared in 54 games, 19 as a starter, over parts of five seasons in Major League Baseball (MLB) (1961–1962; 1964–1966) for the Detroit Tigers and Washington Senators. The native of Oshkosh, Wisconsin, threw and batted right-handed, stood 5 feet 10 inches (1.78 m) tall and weighed 190 pounds (86 kg). Koplitz went 9–7, with two complete games, one save and a 4.21 earned run average during his MLB career. He allowed 187 hits and 80 bases on balls in 1751⁄3 innings pitched, with 87 strikeouts.