David Stewart Porter (September 23, 1909 – January 5, 1989) was a United States federal judge.
Born in Cincinnati, Ohio, Porter received an A.B. from the University of Cincinnati in 1932 and a J.D. from the University of Cincinnati College of Law in 1934. He was an Attorney, Legal Department, Tennessee Valley Authority from 1935 to 1936. He was in private practice in Troy, Ohio from 1936 to 1949. He was a judge on the Court of Common Pleas, Miami County, Ohio from 1949 to 1966.
Porter was a federal judge on the United States District Court for the Southern District of Ohio. Porter was nominated by President Lyndon B. Johnson on September 30, 1966, to a new seat created by 80 Stat. 75. He was confirmed by the United States Senate on October 20, 1966, and received his commission on November 3, 1966. He served as chief judge from 1977-1979. He assumed senior status on September 23, 1979. Porter served in that capacity until his death.