This study is to examine the role of psychological contract breach as a mediating variable in the relations between job insecurity and employees' customer orientation in the service industry. In a sample of 344 hotel employees, the findings are consistent with the proposed mediation model of the study. Job insecurity was found to relate positively to psychological contract breach. Psychological contract breach was found to relate negatively to employees' customer orientation. Psychological contract breach was found to partially mediate the relation between job insecurity and employees' customer orientation. In addition, job insecurity was found to relate negatively to employees' customer orientation.