Henry John Aguirre (January 31, 1931 – September 5, 1994), commonly known as Hank Aguirre, was an American professional baseball player and business entrepreneur. He played in Major League Baseball (MLB) as a left-handed pitcher from 1955 to 1970, most prominently for the Detroit Tigers where he was a two-time All-Star player and, was the American League ERA leader in 1962. Aguirre also played for the Cleveland Indians, Los Angeles Dodgers and the Chicago Cubs. After his athletic career, he went on to become a successful businessman in Detroit, Michigan. His last name was typically pronounced "ah-GEAR-ee."