Fabio Semenzato (born 6 May 1986 in Treviso) is an Italian rugby union player.
He plays as a scrum-half.
He plays currently for Benetton Treviso.
Semenzato already played for Italy A and was selected for the Italian national team squad to be present at the 2010 Six Nations Championship.
In the 2011 Six Nations Championship he was the first choice scrum-half for Italy.
He was voted second best player of the tournament, after fellow Italian Andrea Masi.