Collalto Sabino is a comune (municipality) in the Province of Rieti in the Italian region Latium, located about 50 kilometres (31 mi) northeast of Rome and about 35 kilometres (22 mi) southeast of Rieti.
Collalto Sabino borders the following municipalities: Carsoli, Collegiove, Marcetelli, Nespolo, Pescorocchiano, Turania. It is located near the Lake Turano. It is home to a Baronal Castle, which was owned by the Savelli, Strozzi, Soderini and, from 1641, by the Barberini families. The town is surrounded by a 15th-century line of walls.
- ^ All demographics and other statistics: Italian statistical institute Istat.