Marina Piller (born 17 November 1984) is an Italian cross country skier who has competed between 2006 and 2015.
Her best World Cup finish was second twice (team sprint: 2009, 4 x 5 km relay: March 2010).
Piller's best individual finish was fourth in a sprint event in China in 2007.
She has competed at the 2014 Winter Olympics, her best finish was 16th in the skiathlon event.