In this study, it was investigated the relationship between occupational commitment and organizational commitment levels of healthcare professionals working in hospitals. The aim of this study, it was to determine the commitment levels to occupation and organization of the health professionals working in hospitals and to serve up data to the literature by applying them on health professionals based on previous research on nurses. The study was carried out at Bolu Abant Izzet Baysal University Training and Research Hospital in Bolu Province. The universe of the study composed of all health professionals. The questionnaires was applied to 247 employees. The data obtained from the questionnaires were analyzed with SPSS (Statistical Package for the Social Sciences) program. Besides, t-test, one-way ANOVA (LSD, Levene, Tamhane’s T2, Tukey HSD) and simple linear regression and multiple regressions analyze were used. It was performed a confirmatory factor analysis (CFA) with the Lisrel program. According to t-test and one-way ANOVA results with demographic factors and total scores of the scales, gender, professional commitment and organizational commitment in terms of marital status variables did not differ significantly. According to regression analysis, occupational commitment affects organizational commitment (p