John E Martin

John E. Martin (November 15, 1891 – December 9, 1968) was an American politician and jurist from Wisconsin.

Born in Green Bay, Wisconsin, Martin went to University of Wisconsin–Madison and then received his law degree from Notre Dame Law School. During World War I, he served in the United States Army. In 1938, he was elected Wisconsin Attorney General serving until his appointment to the Wisconsin Supreme Court in 1948. He became chief justice of the court in 1957 and retired in 1962.