Objectives: The purpose of this study was to investigate factors affecting the career identity of nursing students. Method: Subjects were 313 nursing students in Daegu. Consent from teachers and students were arbitrarily obtained. Mean, standard deviation, and regression determinations utilized SPSS version 12.0. Results: Career identity score of subjects was $31.79{pm}5.78$ on basis of 56. Factors identified to be influential to career identity included time of career decision, self-evaluated career performance, satisfaction with clinical practice and college admittance. The influence of the factors on career identity was rated as 64.1% that is high value. Conclusions: The identified factors are important in determining career identity of nursing students. Further studies are needed to generalize these results and examine widely affecting variables of career identity.