Petrella
Petrella may refer to:
- Monte Petrella, a peak in the Aurunci Mountains in central Italy
- Petrella Liri, a frazione (parish) in the Province of L'Aquila in Italy
- Petrella Salto, a comune (municipality) in the Province of Rieti in Italy
- Petrella Tifernina, a comune (municipality) in the Province of Campobasso in Italy
- Patrick Petrella, a fictional British police detective created by Michael Gilbert
- Petrella v. MGM, a 2014 United States Supreme Court copyright case about the "Raging Bull" movie