John William McCall (born July 18, 1925) is a former relief pitcher in Major League Baseball who played from 1948 through 1957 for the Boston Red Sox (1948–49), Pittsburgh Pirates (1950) and New York Giants (1954–57). Listed at 6 feet (1.8 m) tall and 180 pounds (82 kg), McCall batted and threw left-handed. He was born in San Francisco, California, and studied at the University of San Francisco. He was a United States Marine Corps veteran of World War II, serving in the Pacific Theater of Operations, including Iwo Jima and Okinawa.
In a seven-season MLB career, McCall posted an 11–15 record with a 4.22 ERA and 12 saves in 134 appearances, including 15 starts, four complete games, 144 strikeouts, 103 walks, 249 hits allowed, and 253⅓ innings of work. McCall also pitched for the San Francisco Seals of the Pacific Coast League from 1951 to 1953. According to the Baseball Register, McCall was nicknamed "Windy" by Red Sox slugger Ted Williams as a young player "because he was always asking about Ted's bats."