In the history of development of the Nigerian banking industry, it is evident that most of the failures experienced within the industry prior to the consolidation era were as a result of financial dampening that finally led to bad loans and some other unethical factors and financial stability has generated the ever-increasing attention and interest in academic and banking sector in Nigeria. This study examined the effect of credit risk management on financial stability of deposit money banks in Nigeria; specifically assessing the relationship between credit risk management and financial stability and establishing the level of credit risk measures to be put in place to ensure financial stability of deposit money banks in Nigeria. The study adopted ex-post facto research design. The target population comprised of 22 deposit money banks in Nigeria licensed by the Central Bank of Nigeria as at November 30th, 2018 from which 10 deposit money banks were purposively selected. Data were sourced from the audited and published financial statements of the selected deposit money banks. The data were validated by the statutory auditors. Descriptive and inferential statistics (multiple regression) were used to analyze the result. The findings revealed that asset quality represented by non-performing loan to gross loan ratio (NLPR), Total risk Asset to total asset ratio (TRAR), Loan Loss Provision to total loan ratio (LLPR) and Total Loan to total deposit ratio (TLDR), all had a significant effect on the variables of Financial Stability which are; Debt-to-Shareholders Fund F (99)=11.17, Adj. R2= 0.2419, p < 0.10, Capital Adequacy Ratio F(99) = 20.77, Adj. R2= 0.0490, p < 0.10, Fixed Deposit Cover F(99) = 8.95, Adj. R2= 0.165, p < 0.10 and had joint insignificant effect on Liquidity Ratio F(99)=1.31, Adj. R2= 0.486, p> 0.10 of deposit money banks in Nigeria. The study concluded that credit risk management influenced financial stability of quoted deposit money banks in Nigeria. The study recommended that operators of banks, should pay more attention to those variables of credit risk management in order to improve financial stability by managing credit risk that deposit money banks are facing to improve financial stability and to put in place proper credit management policy to mitigate credit risk and to also improve the knowledge of credit management policy in financial institutions.