The aim of this study is to examine the role of fulfillment level of university students' basic needs in predicting the level of their subjective well being. The participants were 627 students (56% female, 44% male) attending different faculties of Pamukkale University. In this study, subjective well being was measured with Life Satisfaction Scale and Positive Negative Affect Scale. Students' perceptions about basic needs satisfaction were measured with University Students Basic Needs Scale (USBNS). Results show that, students' basic needs satisfaction is predicting subjective well being significantly for all dimensions of basic needs. Besides, freedom, fun and power needs are seen as stronger predictors of subjective well being in university students than the other basic needs.