Peter C. Economus (born 1943) is a United States federal judge on the United States District Court for the Northern District of Ohio.
Economus was born in Youngstown, Ohio. He received a B.A. from Youngstown State University in 1967, and received a J.D. from the University of Akron School of Law in 1970. He was a staff attorney at the Mahoning County Legal Assistance Association, Ohio from 1971 to 1972. He was in private practice in Youngstown from 1972 to 1982. He was a judge of the Mahoning County Ohio Court of Common Pleas from 1982 to 1995.
Economus was nominated to the United States District Court for the Northern District of Ohio by President Bill Clinton on February 28, 1995, to a seat vacated by Frank Joseph Battisti. He was confirmed by the United States Senate on June 30, 1995, and received his commission the same day. He assumed senior status on July 3, 2009. He was succeeded by Benita Y. Pearson.