Purpose The research was conducted to determine the effects of peer education model on sexual myths of Turkish university students. Design and Methods This is an interventional study. Peer educators were asked to perform educational activities for the intervention group. The participants in the control group were not subjected to any interventions. Data collection tools were simultaneously administered to all students in the intervention (n = 646) and control groups (n = 532). Findings The Peer Education Program Pertaining to Sexual Myths applied to the interventon group by peer educators is effective in reducing sexual myths and increasing sexual knowledge level. Practice Implications Peer education model should be integrated into the health education programs by nurses to improve the sexual health and reproductive health of young people.