The purpose of this study was to investigate the role of leisure attitude in determining passion in university students and to examine gender differences in leisure attitude and passion. 154 female (M[subscript age]= 20.51[plus or minus]1.44) and 95 male (M[subscript age]= 22.26[plus or minus]1.93) a totally 249 (M[subscript age]= 21.18[plus or minus]1.85) university students voluntarily participated in this study from Ankara/Turkey. "Leisure Attitudes Scale-Short Version" (LAS)" (Ragheb & Beard, 1982) and "Passion Scale" (PS) (Vallerand et al., 2003) were administered to university students. t-test and Stepwise Multiple Regression Analysis were used to analyze the data. According to regression analysis; it was found that leisure attitude were the meaningful predictors of obsessive and harmonious passion. Analysis indicated significant differences in Passion Scale's sub-scales (harmonious and obsessive passion) according to genders in favor of male participants (p< 0.05). As a result, it could be concluded that male participants were more passionate about activity than female participants in terms of gender, such as voluntarily participation, satisfaction, social acceptance anxiety and self-worth that explaining the concept of passion model.