P. Kevin Castel (born 1950) is a United States federal judge.
Born in Jamaica, New York, Castel received a B.S. from St. John's University in 1972 and a J.D. from St. John's University School of Law in 1975. He was a law clerk to Kevin Thomas Duffy of the United States District Court for the Southern District of New York from 1975 to 1977. He was in private practice of law in New York, New York from 1977 to 2003.
On March 5, 2003, Castel was nominated by President George W. Bush to a seat on the District Court for the Southern District of New York vacated by Lawrence M. McKenna. Castel was confirmed by the United States Senate on September 17, 2003, and received his commission on September 22, 2003.