The Czech National Bank, (Czech: Česká národní banka, ČNB) is the central bank and financial market supervisor in the Czech Republic, headquartered in Prague. It is a member of the European System of Central Banks. It was established on 1 January 1993 from the division of the State Bank of Czechoslovakia as part of the process of dissolution of Czechoslovakia, together with the National Bank of Slovakia.

In accordance with its primary objective, the CNB sets monetary policy, issues banknotes and coins and manages the circulation of the Czech koruna, the payment system and settlement between banks. It also performs supervision of the banking sector, the capital market, the insurance industry, pension funds, credit unions and electronic money institutions, as well as foreign exchange supervision.