Gloria Muzio is an American motion picture director. She is the episode director for The Wire. She helmed the first season episode "Lessons". She had worked on HBO series Oz in 2001.
She has been active since 2000 and has also worked on Criminal Minds, Brothers & Sisters, The Black Donnellys, The Closer, ER, Third Watch, Law & Order, Law & Order: Criminal Intent, Law & Order: Special Victims Unit, and Son of the Beach.