Castellet may refer to:
People edit
- Queralt Castellet, Spanish snowboarder
Places edit
- France
- Castellet-en-Luberon, commune in the Vaucluse department
- Castellet-lès-Sausses, commune in the Alpes-de-Haute-Provence department
- Spain
- Castellet i la Gornal, municipality in the comarca of the Alt Penedès
- Sant Vicenç de Castellet, municipality in the comarca of Bages