George P. Pelecanos (born February 18, 1957) is an American author, producer, and television writer. Many of his 20 books are in the genre of detective fiction and set primarily in his hometown of Washington, D.C.

On television, he frequently collaborates with David Simon, writing multiple episodes of Simon's HBO series The Wire and Treme, and is also the co-creator (with Simon) of the HBO series The Deuce and We Own This City.