The objectives of this study are to identify the types of job mismatch in the hospitality industry, and to investigate the effect of job mismatch on job satisfaction focusing on the meditating role of affective commitment. Data were collected from the hotel employees in Seoul from January 6 to 8, 2020, and finally 282 questionnaires were analyzed. Education mismatch, skill mismatch, and subject mismatch were showed as the three dimensions of job mismatch by the result of factor analysis. The results of hypothesis test indicated that education mismatch did not affect on affective commitment, but skill mismatch and subject mismatch affected on affective commitment. It was also found that education mismatch did not affect on job satisfaction, but skill mismatch and subject mismatch affected on job satisfaction. The meditating effect of affective commitment was partially confirmed between job mismatch and job satisfaction. It was confirmed that affective commitment had a complete meditating role between skill mismatch and job satisfaction, and it had a partial meditating role between subject mismatch and job satisfaction. The practical implications for human resource management in the hospitality industry have been discussed.