This article analyzes the effects of the banking sector on economic growth in Congo-Brazzaville over the period 1990-2020. The results obtained from the AutoRegressive Distributed Lag (ARDL) model show that in the short term, domestic credit provided to the private sector by banks, bank deposits, foreign direct investments, trade openness, the overall index of civil freedom, the degree of fight against corruption and inflation affect economic growth. On the other hand, in the long term, the degree of fight against corruption and inflation influences economic growth. These results have important economic policy implications in Congo-Brazzaville.