ABSTRACT

 The study investigated on the role of internal auditors in prevention of bank fraud in Nigeria. The work determined; to identify the internal auditors’ role in prevention of fraud in Nigerian Banks, to determine whether internal auditors report can enhance prevention of fraud in Nigerian banks and to identify the internal auditors function in the effectiveness of bank's internal control. To achieve the objectives ofthe study, survey research design was adopted. The population of the study is made up of50 while the sample size is made up of 44 after adopting Taro Yamane formula. The researcher adoptedprimary data in getting the required information. In testing the hypotheses, simple regression analysis was used. The findings revealed that there is a significant relationship between roles of internal auditors and prevention of fraudsin banks. Thefindings also revealedthat there is a significantrelationship between internal auditor’sfunction and the effectiveness of bank’s internal control. The researcherrecommends that Effective internal audit technique capable ofpreventing any type offraud should be established by banks. The researcher also recommends that as regard to fraudprevention and detection methods, banks should take advantage ofmodem accounting and auditing soft ware's to enhance efficiency and smooth operation ofthe task ofdetection prevention and recovery through the application ofrelevant information technology.