||Today's economic status, globalization, rapidly increasing competition and technological innovations have caused many businesses to be shut down and many employees are unemployed. The uncertainty created by all these developments has also been reflected in employee and employer relations and has made the issue of job security an even more important issue. The main aim of the research carried out within the scope of the thesis study is to measure the job security satisfaction of the employees in tourism sectors and to reveal the relationship of this satisfaction with organizational commitment, job stress and intention to job leave, and to test the hypotheses of the study in the light of these data.Data of the study has been gathered with survey method from 459 employees who work in tourism sectors in Istanbul. Analysis results suggest that there is a positive relation between organizational commitment and employee’s job security satisfaction. Moreover, there are negative relations between employee’s job security satisfaction, job stress and intention to job leave. Also, variances have been detected in terms of socio-demographic variables in job security satisfaction, organizational commitment, job stress and intentions of job leave.Logistic regression analysis method has applied for testing main hypothesis of thesis. The results of the analyses suggest that female and single employees have much higher intention of job leave while high income employees, who have high level of organizational commitment and high level of job security satisfaction, have much less intention of job leave.In the light of the findings and evaluations obtained from the research, its contribution was discussed and some suggestions that could shed light on the works to be done afterwards were explained and how the managers could benefit from the research results.