Valter Bombassei De Bona (born 27 May 1965 in Auronzo di Cadore) is an Italian curler.
At the international level, he is a 2006 European Mixed Curling Championship silver medallist.
At the national level, he is a three-time Italian men's champion curler and a two-time Italian mixed champion curler.
His cousin is Diego Bombassei, also an Italian curler. They were teammates who played in European and World championships.