The study sought to assess the effect of electronic banking on financial performance of Banks in Uganda: a case study of Centenary Bank Mapeera Branch. it was guided b~ three specific objectives, that included; (i) to determine the effect of ATM (Automatic teller machine) on financial performance of Banks in Uganda, (ii) to establish the effect of electronic funds (EFT) transfer on financial performance of Banks in Uganda and (iii) to establish the effect of mobile banking on financial performance of Banks in Uganda. This research employed a cross-section research design to describe the variables and the questionnaire and inierview a guide \\ crc used as the research instruments. Descriptive statistics v~ hich n are used in this study included frequencies and means and regression analysis was used to evaluate the significant effect of e banking on financial performance. The findings revealed the following: ATM (Automatic teller machine) significantly affects the financial performance of Banks in Uganda. this effect therefore implies that ATM (Automatic teller machine) highly contribute to the financial performance of Banks in Uganda, the findings revealed that there is a significant effect electronic funds (EFT) transfer has on financial performance of Banks in Uganda. findings of this study proved a positive significant effect mobile banking has Qfl financial performance of Banks in Uganda. Still the conclusions were that; it is important to ensure that the ATM is established throughout the whole region of Uganda, effective electronic funds (FF1’) transfer requires a reporting and review structure to ensure that electronic funds (FF1’) transfer services are identified and assessed and that appropriate controls and responses arc in place and mobile banking needs an environment that is customer friendly and likely to develop on their contentment. The researcher recommended that: the commercial banks in Uganda should develop a good system to monitor all ATM transactions so that there is effectiveness in electronic banking and ensure to cover loopholes in the system to enhance financial performance of commercial Banks, the bank managers in Centenary Bank Mapeera Branch should develop an elective electronic funds (EFT) transfer system which makes electronic funds (EFT) transfer easy and flexible so as to boost the financial performance of the Bank. In a clientele world, the customer is the king so if these technologies are meant to improve on service delivery and satisfaction. electronic banking acquires a better future and was still shown in the recommendations.