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 × 5 km relay: March 2010).

Piller's best individual finish was fourth in a sprint event in China in 2007.

[1] All results are sourced from the International Ski Federation (FIS).

This biographical article relating to Italian cross-country skiing is a stub.