Stefanie Andrea Marty (born 16 April 1988) is a Swiss retired ice hockey player who currently serves as assistant coach to SC Reinach of the SWHL A. She was a member of the Swiss national team from 2003 until her retirement in 2017. With the Swiss national team she won bronze medals at the 2014 Olympic Games and the 2012 IIHF Women's World Championship. At the 2010 Olympic Games, Marty scored 9 goals and tied with Meghan Agosta of Team Canada as top goal scorer of the tournament.