| Oituz River | |
| River | |
| Countries | Romania |
|---|---|
| Counties | Covasna, Bacău |
| Tributaries | |
| - left | Caraslău, Ghergheanoș, Brezoaia |
| - right | Haloș, Lupchianu, Leșunțul Mare, Manciuc |
| Source | Brețcu Mountains |
| Mouth | Trotuș |
| - location | Onești |
| - coordinates | 46°15′12″N 26°45′26″E / 46.2534°N 26.7571°ECoordinates: 46°15′12″N 26°45′26″E / 46.2534°N 26.7571°E |
| Progression | Trotuș→ Siret→ Danube→ Black Sea |
The Oituz River is a right tributary of the river Trotuș in Romania. It discharges into the Trotuș in Onești. The following towns and villages are situated along the river Oituz, from source to mouth: Oituz (CV), Poiana Sărată, Oituz (BC), Bogdănești and Onești.