Walter Evan Black Jr. (born July 7, 1926)[1] is a former United States federal judge.
Born in Baltimore, Maryland, Black received an A.B. from Harvard University in 1947 and an LL.B. from Harvard Law School in 1949. He was in private practice in Baltimore from 1949 to 1953. He served as an assistant United States Attorney of the District of Maryland from 1953 to 1955, and was himself the . He was a United States Attorney for the District of Maryland from 1956 to 1957. He then returned to private practice in Baltimore until 1982.
On March 11, 1982, Black was nominated by President Ronald Reagan to a seat on the United States District Court for the District of Maryland vacated by Edward S. Northrop. Black was confirmed by the United States Senate on April 20, 1982, and received his commission on April 21, 1982. He served as chief judge from 1991 to 1994, assuming senior status on October 21, 1994 and retired June 30, 2003.