Purpose: This study attempted to measure the awareness and performance of the forensic nursing role among the emergency department (ED) nurses to emphasize the presence of forensic nurses in ED and suggest encouraging essential forensic nursing education. Methods: A quantitative descriptive survey using a questionnaire was carried out to the nurses, who had a minimum of 6 months experience in the ED. This study was conducted at 7 hospitals in the Republic of Korea. Results: A total of 124 nurses were enrolled. As to the Awareness of the forensic nursing role, all the core data obtained an average of 3.39 points out of 4 points, and the documentation category was the highest score of 3.57. For the performance of the forensic nursing role, all the core data obtained an average of 2.50 points out of 4 points, and a documentation category acquired the highest score of 2.91. There is a significant correlation of (r=.452, p<.001) the awareness and performance of the forensic nursing role. Conclusion: Currently, the awareness regarding the forensic nursing role is low level. Therefore, the performance of forensic nursing role has also become low level. Consequently, forensic nursing education is essential for ED nurses to preserve evidence accurately.