Abstract: Commercial banks have an important role in the economy and the society as a whole. Their central roles are to make the community’s surplus of deposits and investments useful by lending it to people for various investment purposes like company growth, education, houses. The main purpose of this study was to assess the extent to how credit portfolio management affecting the financial performance of Bank of Kigali-Rwanda. The study used qualitative and descriptive approaches, a sample size is 51 employees who have been selected using purposive sampling technique.