Background: Personality Disorder is “an enduring pattern of inner experiences and behavior that deviates markedly from the expectations of the individual‟s culture. Aim of the study: To determine the prevalence rate of personality disorders among female sentenced prisoners and its correlation between socio-demographic and crime characteristics with the types of personality disorders of the study population. Patients and Methods: Quantitative, descriptive study was conducted in Erbil Adult Reformatory Prison in Erbil City in Iraq, from October 2014 to August 2015. The study population included 26 adult females .The Questionnaire was consisting of three parts; the first part included sociodemographic characteristics of female sentenced prisoners, the second part contain the crime characteristics, and the third part was composed of a standardized questionnaire which is based on the Diagnostic and Statistical Manual of Mental Disorders, 5th Edition, that consists of three clusters A, B, and C of personality disorders. Correlation coefficient r-test was calculated for obtaining the reliability of the questionnaire and the content validity was determined through 10 experts. Results: Showed that most of the study sample was in the age group between 18-27 years old. Majority of the samples were illiterate, married, house wife and from urban area. Theft was the most common crime. The highest prevalence of personality disorders was the schizoid personality disorder. Conclusions: All types of personality disorders have a non-significant relationship with the sociodemographic characteristics of age, education, marital status, and with crime characteristics of study sample.