The Bistrița (Romanian: [ˈbistritsa] ; Hungarian: Beszterce) is a river in the Romanian region of Transylvania, Bistrița-Năsăud County. It is sometimes referred to as Bistrița ardeleană. Near the city of Bistrița (at the village Sărata) it flows into the Șieu, a tributary of the Someșul Mare. Its length is 67 km (42 mi) and its basin size is 650 km (250 sq mi).
The upper reach of the river, upstream of the junction with the Bârgău in the village of Prundu Bârgăului is also known, locally, as Bistricioara.