Disaster Experience, Perception and Core Competencies on Disaster Nursing of Nursing Students. This paper was aimed to investigate disaster experience, perception and core competencies on disaster nursing of nursing students and to provide basic data needed for development of disaster nursing program. 172 nursing students enrolled in a department of nursing completed questionnaires. The data were collected from December 1, 2012 to December 23, 2012. The result were as follows; The average level of perception about disaster nursing was 18.16 out of 25 points, suggesting that they generally perceived disaster nursing as an important matter. Core competencies of the subjects on disaster nursing was 41.56 out of 75 points, which was moderate for the core competencies on disaster nursing. There was statistically significant positive correlation between the perception about disaster nursing and core competencies on disaster nursing. It is necessary to develop disaster nursing program to reflect the needs of the field in Korea. Further research is needed to adequately address this issue.