This article addresses the need for improved clergy-mental health professional collaboration in the assessment and treatment of posttraumatic stress disorder (PTSD). Tens of millions of North Americans with personal problems seek the counsel of clergy. There is an absence of research on the function of clergy as helpers with the traumatized and on the psychological dynamics of religious coping among the traumatized. Psychological trauma presents the mental health and religious communities with unique opportunities to work together in the best interest of those they serve.