Pierantonio Zanettin (born 13 July 1961) is an Italian politician. He has been a member of the Senate since 2022, having previously served from 2006 to 2008 and from 2013 to 2014. He was a member of the Chamber of Deputies from 2001 to 2006 and from 2018 to 2022. From 2014 to 2018, he was a member of the High Council of the Judiciary.