Joseph Chappelle is an American screenwriter, producer, and director of film and television. He is perhaps best known for his work on the critically acclaimed HBO series The Wire, where he directed six episodes and served as co-executive producer for three seasons. In 2018, his episode "Middle Ground" was named the 6th Best TV Episode of the Century by pop culture website The Ringer. He has also produced and directed several other popular cable television programs, including CSI: Miami, Fringe and Chicago Fire.