The purpose of this study was to explore the current state of nursing ethics research in Korea by analyzing original research articles published in the Korean Citation Index from 2009 to 2016. A total of 87 articles were analyzed and summarized in terms of topic, study respondent, design, publishing journal, and keywords. The three most frequently studied topics are (a) ethical awareness, (b) attitude and recognition about ethical issues, and (c) nursing ethics education, in order. Study respondents were mainly nurses (44.9%) and nursing students (42.7%). The most frequently used research design was survey (74.2%), and most articles were published in non-nursing journals. On the basis of these results, several recommendations concerning research topics, methodologies, and suggestions for the future nursing ethics research were made.