ABSTRACT : This study aims to analyze the effect of perceived organizational support on organizational commitment, analyze the effect of person organization fit on organizational commitment and analyze the moderating role of person organization fit in the relationship of perceived organizational support to organizational commitment. This research was conducted at the Bali Med Denpasar Hospital. The number of samples used was 132 nurses, with the proportional random sampling technique and the Slovin approach as a method of determining the sample. Analysis of the data in this study using Moderated Regression Analysis(MRA). The result of this study is that perceived organizational support has a positive and significant effect on organizational commitment. Person organization fit has a positive and significant effect on
organizational commitment. Person organization fit strengthens the effect of perceived organizational support on organizational commitment.
KEY WORDS : perceived organizational support, person organization fit , organizational commitment