| Background: The purpose of this study was to investigate the prevalence of personality disorders among female prisoners of Zahedan prison. Materials and Methods: This is a descriptive survey and the statistical sample constituted of 80 female prisoners in Zahedan prison. All participants were assessed by Millon’s multi-axis clinical questionnaire. Results: Our results indicated that prevalence of personality disorders in the study sample in question was 95%. Anti-social personality disorder with about 86.2% prevalence was the most common disorder. Drug-dependence and sadistic-aggressive personality with 60% and 56.2% prevalence, respectively, were in next places. Conclusion: The findings show that the statistical society in question represents high prevalence of personality disorders. This illustrates the need for broader investigations, preventive measures, and mental health-related cares. [ZJRMS,13(3):46-49]
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