Paul Edward Plunkett (born July 9, 1935) is a United States federal judge.
Born in Boston, Massachusetts, Plunkett received a B.A. from Harvard University in 1957 and a J.D. from Harvard Law School in 1960. He was in private practice in Chicago, Illinois from 1960 to 1963. He was an assistant U.S. Attorney of the Northern District of Illinois from 1963 to 1966, returning to private practice from 1966 to 1983. He was an adjunct professor at the John Marshall Law School 1963 to 1976, and at the Loyola University Chicago School of Law from 1977 to 1982, returning to John Marshall in 1982.
On November 23, 1982, was nominated by President Ronald Reagan to a seat on the United States District Court for the Northern District of Illinois vacated by James B. Parsons. Plunkett was confirmed by the United States Senate on December 10, 1982, and received his commission the same day. He assumed senior status on July 10, 1998.