The purpose of the study is to examine the determinants of mobile banking adoption in commercial bank of Ethiopian. The research was applied quantitative research approach and explanatory research design to meet the research objectives. This study was conducted based on the data gathered from customers of Commercial Bank of Ethiopia selected branches in Bahir Dar city and convenience sampling methods was used to select the sample from the available population. Survey was conducted using questionnaire. 384 questionnaires have been distributed and a total of 283 responses were received. 250 were utilized and the remaining 33 responses had to be discarded due to invalid or incomplete data entries. The study reveals that convenience, awareness and trust have positive significant influence on mobile banking adoption. Perceived risk has negative insignificant effect on mobile banking where as social influence has negative significant influence on mobile banking adoption for CBE customers in Bahir Dar city. The study recommended CBE should upgrade its servers to ensure that there is no system failure and produce user guide manual for mobile banking service using various tools such as SMS and flyers to broaden the knowledge of users.