Negoiu River may refer to:

Negoiu, a tributary of the Bistrița in Gorj County Negoi, a tributary of the Cerna in Hunedoara County Negoiu, a tributary of the Greci in Tulcea County Negoiu, a tributary of the Ilva in Mureș County

See also Negoiu Peak Neagu River (disambiguation) Negovanu River