Șieu-Măgheruș (Hungarian: Sajómagyarós) is a commune in Bistrița-Năsăud County, Transylvania, Romania. It is composed of seven villages: Arcalia (Árokalja), Chintelnic (Kentelke), Crainimăt (Királynémeti), Podirei (Pogyerej), Sărățel (Szeretfalva), Șieu-Măgheruș, and Valea Măgherușului (Sajómagyarósi völgy).
The commune lies on the Transylvanian Plateau, on the banks of the river Șieu. It is located in the central-south part of the county, at a distance of 22 km (14 mi) from the town of Beclean and 16 km (9.9 mi) from the county seat, Bistrița.