Joseph Ignatius Lang (February 4, 1911 – November 13, 1990) was an American boxer who competed in the 1932 Summer Olympics.
He was born in Lovelock, Nevada and died in Santa Clara, California.
In 1932 he finished fourth in the bantamweight class. After losing in the semi-finals to Hans Ziglarski he was not able to compete in the bronze medal bout against José Villanueva.