Castiglioncello
Castiglioncello is
- an Italian seaside resort, see the municipality of Rosignano Marittimo
- a fraction of the Italian municipality of Firenzuola , Province of Florence, Tuscany
- a small castle near Bolgheri, municipality of Castagneto Carducci in Italy, known for the Sassicaia wine
- Castiglioncello del Trinoro , district of Sarteano , Province of Siena, Tuscany, Italy