This study examines the impact of Philanthropic Social Responsibility on firm value of listed Deposit Money Banks (DMBs) in Nigeria. The study was motivated by conflicting findings by researchers on the relationship between Philanthropic Social Responsibility and firm value. The study used the correlational and ex-post facto research designs. The secondary data were extracted from the annual report and accounts of the 11 listed Deposit Money Banks by the Security and Exchange Commission of Nigeria as at 31st December 2021. Data collected was analysed using Regression analysis statistical tool with the aid of STATA analytical package. Findings from the analysis revealed that philanthropic Social Responsibility has significant positive relationship with the firm value of deposit money banks (DMB’s) in Nigeria. In view of the finding the study recommended that Management of deposit money banks (DMBs) listed in Nigeria should give more emphasis on philanthropic Responsibility. The is because of the positive role it’s play in improving the value of the firm.