| Type: | commune |
| County: | Bistrița-Năsăud |
| Șieu-Măgheruș | |
| Leader Name: | Sorin-Aurel Mititean |
| Leader Party: | PNL |
| Leader Term: | 2020 - 2024 |
| Coordinates: | 47.0833°N 47°W |
| Elevation: | 308 |
| Area Total: | 59.89 |
| Population Total: | auto |
| Postal Code: | 427295 |
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 from the town of Beclean and from the county seat, Bistrița.
Șieu-Măgheruș is crossed by two national roads: (part of European route E58), which joins Dej in Cluj County to Suceava, and (part of European route E578), which joins Reghin in Mureș County to Bistrița; the two roads meet in the village of Sărățel.
There is also a train station in Sărățel, which serves the CFR Line 406, that runs from Bistrița Bârgăului to to here, and on to the town of Luduș, in Mureș County (the last segment is operated by Regio Călători).