John Logan, Jr. (March 23, 1926 – August 9, 2013) was a shortstop in Major League Baseball. Logan was signed by the Boston Braves in 1947, having been discovered by Braves scout Dewey Briggs. He was a four-time All-Star and led the National League in doubles in 1955. Logan was the first major league batter Sandy Koufax faced; Logan hit a bloop single.