| Someșul Rece | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Cluj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Măguri-Răcătău |
| Mouth: | Someșul Mic |
| Mouth Location: | Gilău |
| Mouth Coordinates: | 46.7356°N 23.3575°W |
| Basin Size: | 330km2 |
| Tributaries Left: | Răcătău |
| Tributaries Right: | Irișoara, Dumitreasa, Râșca Mare |
The Someșul Rece (Hungarian: Hideg-Szamos; literally "Cold Someș") is the right headwater of the river Someșul Mic in Romania. It joins the Someșul Cald (Warm Someș) in Lake Tarnița, a reservoir near Gilău. Its length is and its basin size is .