Robert Edward DeMascio (January 11, 1923 – March 23, 1999) was a United States federal judge.
Born in Corapolis, Pennsylvania, DeMascio was in the U.S. Naval Reserve during World War II, from 1943 to 1946. He received an LL.B. from Wayne State University Law School in 1951. He was in private practice in Detroit, Michigan from 1951 to 1953. He was an assistant U.S. Attorney of the Chief of the Criminal Division, Detroit, Michigan from 1954 to 1961. He was in private practice in Detroit, Michigan from 1961 to 1966. He was a judge on the Recorder's Court, Detroit, Michigan from 1967 to 1971.
DeMascio was a federal judge on the United States District Court for the Eastern District of Michigan. DeMascio was nominated by President Richard Nixon on June 14, 1971, to a seat vacated by Theodore Levin. He was confirmed by the United States Senate on July 22, 1971, and received his commission the same day. He assumed senior status on January 16, 1988. DeMascio served in that capacity until March 23, 1999, due to his death.
He died in Detroit, Michigan.