Palmiro Di Dio (born 6 July 1985) is an Italian former football (soccer) defender.
Ternana Calcio, which was relegated to Serie C1 in summer 2006, sold half of the player rights to Reggina Calcio, but he was bought back in summer 2007, and loaned to Bari on 30 August.
He was the unused member of the Italian U-20 team on 2005 FIFA World Youth Championship.