The Șieu () is a left tributary of the river Someșul Mare in Romania. It discharges into the Someșul Mare near Beclean. Its length is and its basin size is . Towns and villages The following towns and villages are situated along the river Șieu, from source to mouth: Șieu, Mărișelu, Șieu-Măgheruș, Șieu-Odorhei, Șintereag. Tributaries The following rivers are tributaries to the river Șieu: Left: Dipșa, Bretea, Agriș Right: Şieuţ, Ardan, Măgura, Budac & Budăcelul, Bistrița, Măgheruș, Rosua References Rivers of Romania Rivers of Bistrița-Năsăud County