Fabio Semenzato (born 6 May 1986) is an Italian rugby union player. His regular playing position is as a scrum-half. He plays currently for Rugby Paese. He played for Mogliano from 2021 to 2023. From 2022 to 2023 season he became also its Assistant Coach.
Semenzato played for Benetton Treviso from 2005 to 2014 and in 2015 he was named as Additional Player for Zebre.
Semenzato already played for Italy A and was selected for the Italian national team 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.