PURPOSE: The study was done to investigate male nurses' gender discrimination, person-organization fit, organization leader-member exchange, career plateau and retention intention and to identify factors affecting nurses' retention intention for these nurses. METHODS: A cross-sectional survey was conducted using self-report questionnaires. The participants were 144 male nurses working in hospitals and other health care facilities in Korea. Data were analyzed using hierarchial regression. RESULTS: The mean score was 5.40±1.61 (out of 8) for retention intention. Factors influencing retention intention were ‘married’ (β=.27, p<.001) and ‘employment career (3~5 yr)’ (β=-.24, p=.003) in model 1, ‘person-organization fit’ (β=.42, p<.001) in model 2, ‘content plateau’ (β=-.19, p=.020) in model 3. Person-organization fit was the most significant factor followed by content plateau, employment career and married state in that order. These factors explained 33.2% of the variance in retention intention (F=17.23, p<.001). CONCLUSION: Findings indicate that it is necessary to confirm that the male nurses are suitable for their organization and improve career development at 3~5 years of work experience as a retention strategy of male nurses.