Background: Disproportion between personality characteristics and the proportion of job dissatisfaction with their jobs, the major challenges that forensic directors in connection with its staff faced. The aim of this study was to determine the relationship between personality characteristics and job satisfaction forensics is Lorestan province in 1393.
 
Methods: This cross-sectional study, descriptive and analytical. Legal Medicine Lorestan Province was studied population of employees. Staff of forensic Medicine Lorestan Province was studied population. Smith and colleagues gauges to measure job satisfaction questionnaire and personality characteristics of Eysenck, which had a total of 61 questions, is used. Data from the study were analyzed using partial least squares method.
 
Results: The total number of participants (n = 44) were 60% male and 40% female. The correlation coefficient between personality characteristics and job satisfaction was 0/726. The correlation coefficient introverted character, extroverted, stable, neuroticism and job satisfaction, respectively was, 0/231, 0/448,0/ 613,- 0/453.
 
Conclusion: The characteristics of personality (introverted, extroverted, emotional stability) had relationship with the components of job satisfaction (nature of the work, manager’s behavior, job commitment, payments, citizenship behavior, colleagues’ behavior, promotion and enhancement). But the neurotic personality type there is a significant negative correlation with job satisfaction. As a result, employees who are neurotic are slower than job satisfaction.