Purpose: The purpose of this study was to identify the correlation between emotional intelligence, interpersonal competence, and caring efficacy in nursing students. Method: Data were collected from 227 junior and senior nursing students in May 2017. The study adopted a cross-sectional design. Structured questionnaires were used to collect data. Collected data were analyzed by mean, standard deviation, percentage, t-test, ANOVA, and Pearson's correlation coefficient, using SPSS 23.0. Results: Study results revealed positive correlations between emotional intelligence and interpersonal competence (r=.531, p<.001), interpersonal competence and caring efficacy (r=.556, p<.001), emotional intelligence and caring efficacy (r=.570, p<.001). Conclusion: The results of this study suggest that caring efficacy has a positive correlation with emotional intelligence and interpersonal competence. Therefore, it is important for nursing education programs to facilitate the students’emotional intelligence and interpersonal competence for achieving better results in terms of caring efficacy.