Based on available literature, this review article investigates traumatic stress studies in Japan from the late 19th century to the present for English speaking audiences. First, traumatic neuroses of war victims, A-bomb survivors, and victims of work-related accidents are discussed. Second, traumatic stress studies of victims of other manmade disasters, such as the sarin gas attacks in Tokyo, domestic violence, and burn injuries. Third, psychological outcomes of natural disaster studies are discussed in relation to social support and help-seeking tendencies of Japan disaster victims.