The main aim of the current study was to survey the relationship between identity style and hardiness in student. This research examined the relation between Identity styles: ((informational)), ((normative)) and ((confused / avoiding)) and hardiness. In this scientific –comparative investigation, community investigation include of Payame Noor University of Boukan in 2011-2012 educational year and a number of 230(115 girls and 115 boys) students were selected by use of random cluster sampling method and the data were collected by use of the two questionnaires: "the review list of identity process styles (ISI-6G) and Personal Views Survey III-R". Results indicated that there is meaningful relationship between informative identity Style and hardiness .In this study there is no meaningful relationship between normative style and hardiness and also there is no meaningful relationship between confused / avoiding style and hardiness, but there is a meaningful relationship between commitment style and hardiness. In the study of relationship between identity and commitment styles against hardiness in males and females there was no notable different in gender regard. Analysis of regression showed that there is a relationship between identity styles and hardiness that can make a great help on study in the field of teenager and youngster and also on prevent of stress and mental disorders. More research regarding the studied variables can render brighter data.
