| Beliu | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Arad County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Clit, Comănești, Tăgădău, Beliu |
| Mouth: | Crișul Negru |
| Mouth Coordinates: | 46.7059°N 21.8223°W |
The Beliu (Hungarian: Béli-patak) is a left tributary of the river Crișul Negru in Romania. Formerly a right tributary of the Teuz, its flow is now diverted by a canal towards the Crișul Negru near Tăut, built in 1914–1919.[1] [2] Its length is 46km (29miles) and its basin size is 395km2.
The following rivers are tributaries to the Beliu (from source to mouth):