The reference interest rate was kept at 6.75 percent by the Monetary Policy Council RPP, the Polish central bank's rate-setting body.
The RPP announced on Wednesday that the National Bank of Poland's Lombard rate remained at 7.25 percent, the rediscount rate at 6.80 percent and the discount rate at 6.85 percent.
The deposit rate was unchanged at 6.25 percent, according to the RPP.
The decision of the rate-setting body was in line with the market consensus. Most analysts believe that the RPP will keep the rate at the current level through 2023.
The Consumer Price Index, CPI, went up by 17.4 percent year on year and by 0.7 percent month on month in November 2022, with the inflation rate falling by 0.5 percentage points from the previous month, according to the Central Statistical Office GUS.