Ivan Martin Delock (November 11, 1929 – February 28, 2022) was an American Major League Baseball right-handed pitcher who played 11 seasons for the Boston Red Sox and Baltimore Orioles. He was born in Highland Park, Michigan. In ten-plus seasons with the Red Sox, Delock had a record of 83–72. He pitched in at least 20 games for the Red Sox every year from 1952 to 1961 (1954 excepted), and had an Adjusted ERA+ of 110 or better in 1955 (114), 1956 (110), 1958 (118), 1959 (138), and 1961 (110).