Denis Marconato (born 29 July 1975) is an Italian former professional basketball player.

Marconato joined Benetton Treviso's youth team in 1990, and with them he won three Italian juniors club titles between 1991 and 1994.

In 1993, he made his debut in Italy's top-tier level men's professional LBA, with the senior team of Benetton Treviso, in the 1992–93 season.

In the summer of 2005, he moved to the Spanish ACB League club FC Barcelona, together with his senior Italian national team teammate Gianluca Basile.

In addition, Marconato was also a member of the Italian roster at the 2006 FIBA World Championship.