The ministry planned to raise RON600 million and bids amounted to RON591.9 million, the data showed.
Romania last sold one-year bills in September at an average yield of 3.38%.
Romania's finance ministry on Monday raised a much a lower than planned 170.2 million lei (EUR36.5 million) selling treasury bills with one-year maturity at an average yield of 3.46%, central bank data showed.