| Sânnicolau | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bihor County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Olosig, Sânnicolau de Munte, Sâniob |
| Source1: | Târgușor |
| Mouth: | Barcău |
| Mouth Location: | Sâniob |
| Mouth Coordinates: | 47.2517°N 22.095°W |
The Sânnicolau is a right tributary of the river Barcău in Romania. It discharges into the Barcău near Sântimreu.[1]