Sciarra Colonna

Giacomo Sciarra Colonna
Prince of Palestrina
Posthumous portrait by Cristofano dell'altissimo de Colonna
Tenure?-1328
PredecessorNone
SuccessorNone
Born1270
Rome, Papal States
Died10 September 1329
Venice, Republic of Venice
FatherGiovanni Colonna, Marquis of Ancona

Giacomo Colonna, Prince of Palestrina (1270-1329), more commonly known by his bynames Sciarrillo or Sciarra, was a member of the powerful Colonna family. He is most famous for attacking Pope Boniface VIII and for crowning Louis IV of Germany as Holy Roman Emperor.