Vincenzo Demetz (10 September 1911 – 24 November 1990), named also Zenz de Tita d'Odl, was an Italian cross-country skier who competed in the 1930s.

At the 1936 Winter Olympics he was a member of the Italian relay team which finished fourth in the 4x10 km relay competition.

He won two bronze medals in the 1937 FIS Nordic World Ski Championships in the 50 km and the 4 x 10 km.

Further notable results were: Demetz was born and died in Santa Cristina Gherdëina.

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