The study examined lifetime customer value and bank performance of deposit money bank in South-East, Nigeria. It was carried out to identify the extent of lifetime customer value in enhancing bank performance. The study used the survey research approach and research instrument via questionnaire to collect data. The analysis of data was done using tables, simple percentages and frequencies. Pearson Product Moment Correlation Coefficient (through SPSS version 21.0) was used to test the hypotheses. From the three(3) hypotheses stated, it was discovered that there is a significant relationship between lifetime customer value and share and a strong relationship exist between lifetime customer value and customer traffic. It was concluded that promising customer retention, delivering value and optimizing the customer experience, banks can maximize their performance from existing clientele, driving lifetime customer value over the long term. Based on the findings, the study recommends among others that banks should regularly review their LCV by tracking key performance indicators like average order value, repeat purchase rate and churn rate.