The Oituz () is a right tributary of the river TrotuÃÂ in Romania. It discharges into the TrotuÃÂ in OneÃÂti. The following towns and villages are situated along the river Oituz, from source to mouth: Oituz (CV), Poiana SÃÂratÃÂ, Oituz (BC), BogdÃÂneÃÂti and OneÃÂti. Its length is and its basin size is .