In this study, it was aimed to investigate obesity awareness stage of 8th class students in secondary school who entered TEOG examination organized by Ministry of National Education in terms of different variables. The research was carried out with 268 male and 232 female students. Moreover, "Obesity Awareness Scale" developed by Allen (2011) and "and Turkish validity and reliability of which was performed by Kafkas&Ozen (2014) as well as Personal Information Form" were used. In the analysis of the research data, Student t-test, one-way variance analysis, SPSS software program were used as well as descriptive statistics. A statistically significance was observed between the students and their parents' habit of doing sports with total grades taken from the scale, obesity awareness and nutrition dimensions (p<0.05). A significant difference in favour of female students was determined between body mass index and gender in terms of statistics (p<0.01). It was concluded that 268 male and 232 female students participated in this research had obesity awareness.