The Someșul Cald (Hungarian: Meleg-Szamos; literally "Warm Someș") is the left headwater of the river Someșul Mic in Romania. It joins the Someșul Rece in Lake Gilău, a reservoir near Gilău.
The reservoirs Mărișelu, Tarnița and Someșul Cald are located on this river.
Construction of the Tarnița – Lăpuștești Hydroelectric Power Station on the river began on June 15, 2008.
The following rivers are tributaries to the river Someșul Cald:
- Trasee turistice - județul Cluj