Martha Mills Noxon (born August 25, 1964) is an American television and film writer, director, and producer. She is best known for her work as a screenwriter and executive producer on the supernatural drama series Buffy the Vampire Slayer (1997–2003). She was also executive producer, writer, and creator of the Bravo comedy-drama series Girlfriends' Guide to Divorce (2015–18) and the Lifetime drama series UnREAL (2015–18). She was an executive producer of the CBS medical drama series Code Black (2015–17).