PURPOSE: The objective of this study is to identify the effects of self-esteem and problem focused coping on post-traumatic growth among police officers. METHODS: The data were collected from the 137 police officers in ten police offices of G city in July 2014. The collected data were analyzed for descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient, and hierarchical regression using the SPSS/WIN 18.0 program. RESULTS: Post-traumatic growth was positively correlated with self-esteem and problem focused coping. Self-esteem and problem focused coping had a significant effects on post-traumatic growth. The explained variance for post-traumatic growth was 19.0%. CONCLUSION: To improve post-traumatic growth of police officers, strategies to increase self-esteem and problem focused coping are needed.