This project looks at The effectiveness of OSBC radio public enlightenment on female genital mutilation control in Osun state. This study was guided by the following objectives to identify the roles played by OSBC in enlightening the public on Female genital mutilation, to examine the effectiveness of the role of OSBC radio public enlightenment on Female Genital Mutilation, to examine the effects of Female Genital mutilation on the girl child and to appraise the public reaction to the campaign against female genital mutilation. To know this, 200 copies of questionnaires were administered to critically examine the topic. The use of questionnaires is because of its necessity in survey research it provides the means of discove1ring the prevailing attitude and reactions of population. The data collected were presented and analyzed, testing the validity of the research questions and the result of the findings in addition to their interpretations. The theories used for this project are selectivity theory and agenda-setting theory. It is therefore recommended that local Government should do more of public awareness in all sectors of the community regarding harmful practices like FGM, through information, formal and informal education and outreach programmes.