Ruzhintsi (Bulgarian: Ружинци, pronounced [ruʒint͡si]; also transliterated Ružinci, Ruzhinci, Ruzhintzi, Rujinci, Rujintsi, Rujintzi, etc.) is a village in northwestern Bulgaria, part of Vidin Province. It is the administrative centre of the homonymous Ruzhintsi Municipality, which lies in the southeastern part of Vidin Province.