Ruginoasa may refer to several places in Romania:

Ruginoasa, Iași, a commune in Iași County Ruginoasa, Neamț, a commune in Neamț County Ruginoasa, a village in Valea Iașului Commune, Argeș County Ruginoasa, a village in Brăeşti Commune, Buzău County Ruginoasa, a village in Cuzăplac Commune, Sălaj County