The purpose of this study is to examine the role of sport passion level of athletes in determinig love attitude and relation satisfaction. 218 athletes participated in this study as volunteers, 94 of the mare female (X age =20,46±3,12), 124 of the mare male (X age =22,81±4,05) sport experience of athletes dealing with different branches of team and individual sports (football, basketball, volleyball, tennis, track and field, bike… etc.) is 110,15±54,59 monts. To achieve the purpose of the study, Passion Scala was developed by Vallerand and his friends (2003) and it was adapted to Turkish culture by Kelecek (2013). Love Attitudes Scale (short form), was developed by Hendrick" in (1986, 1990), and it was adapted to Turkish culture by Buyuksahin and Hovardaoglu (2004), Fianlly, Relationship Assessment Scala which were developed by Hendrick (1988) and adapted to Turkish culture by Curun (2001) were used. For solution and interpretation of the datas, descriptive statistical methods; for independent samples T-test, One Way Anova test and Multiple Step wise regression analysis were used. Analysis performed by using SPSS and research significance was accepted as P<0,05. As a result of this study, it has been observed that athletes" sport passion level sare important determiners of love attitude and relation satisfactions, as well as it has also been observed that athletes love attitude level safe determiners of relation satisfactions.