The study aimed to examine the influence of perceived organizational support, organization culture, and need for cognition on diversity. The sample in this study were college students who passed initiation and orientation programs with 158 respondents. The method used to analyze is multiple regression. The result of this study shows that simultaneously there is an influence to perceive organizational support, organizational culture, and the need for cognition of diversity. Although, the results partially show there is no influence between perceived organizational support and diversity. On the other side partially there is influence between organization culture, and the need for cognition on diversity.