Margaret "Digit" Degidio Murphy (born December 7, 1961) is the former head coach of the Boston Blades and Kunlun Red Star WIH in the Canadian Women's Hockey League.
Prior to joining the Blades, she was the head coach of the Brown Bears women's ice hockey program.
She became the most victorious coach in Division I women's ice hockey history during her 18th season at Brown (2006–2007).
She would finish her NCAA coaching career with 318 career wins.