This study investigated forensic accounting as a tool for fraud prevention and detection in deposit money banks in Nigeria. Objectively, the study examined the impact of forensic accounting on fraud prevention and detection in deposit money banks in Ekiti State. The study adopted a descriptive survey design and a well-structured questionnaire was used to elicit the needed data from the respondents. The population covered 12deposit money banksin Ekiti State and the components of the population were 4 key staff (Head of operations, fund transfer officer, residentinternal control officials, and cash officials) in each bank. All the 44 staff constituted the population of this study and considering the small size of the population, all the 44 staffs were used for the study and this was achieved through purposive sampling techniques. The data collected were analyzed through simple linear regression. It was discovered that forensic accounting impacted the detection and prevention of fraud in money deposit banks in Ekiti State. Thus, the study recommended that forensic staffs ranging from head of operations, fund transfer officer, resident internal control officials, and cash officials, should attend conferences and seminars within and outside the country on the applicability of forensic accounting skills and techniques to prevent and detect fraud