| Nieregiș | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Timiș County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Dobrești, Lăpușnic |
| Mouth: | Bega |
| Mouth Location: | Upstream of Bodo |
| Mouth Coordinates: | 45.8172°N 21.9011°W |
The Nieregiș is a right tributary of the river Bega in Romania. It flows into the Bega near Cutina.[1] Its length is 14km (09miles) and its basin size is 38km2.