Purpose: This study was performed to investigate the effects of moral sensitivity and ethical values on biomedical ethics awareness of nursing students. Methods: A descriptive survey design was used for this study. The participants were 324 nursing students from S University located in J city. The data were collected through a questionnaire survey done from September 30 to October 18, 2014. Data were analyzed using a t-test, ANOVA, Scheffe``s test, Pearson correlation coefficients, and stepwise multiple regression. Results: The factors influencing nursing students`` biomedical ethics awareness were identified as moral sensitivity(β=.34), ethical values(β=.11), awareness of Korean nurses`` declaration of ethics(β=.15), religion(β=.14), and religious activity(β=.12). Five factors explained 10.8% of nursing students`` biomedical ethics awareness. Conclusion: The results of this study can be used to develop further educational programs on the moral sensitivity and ethical values for enhancement of nursing students`` biomedical ethics awareness.