The aim of this study was to evaluate nutrition knowledge and dietary habits of athletes and to estimate inter-relationship between them. such as the differences between male and female. Respondents of this study were active athletes (n=100) both genders. Methods used in this study were for this occasion specially designed questionnaire for nutrition knowledge determination, and used dietary assessment method: qualitative food frequency questionnaire (FFQ). Results showed middle knowledge level of nutrition which statistically wasn't significantly affected by the frequency of asking for nutrition information and qualification level of the nutrition information source. Respectively high number of respondents were estimated for irregular meal consumption, especially snack meals and they in average don't satisfy the recommendations for optimal hydration. The knowledge level of nutriton doesn't significantly influence on the quality of dietary habits among respondent athletes. Estimated knowledge level of nutrition and dieatary habits significantly don't differ between genders. Statistically significant positive correlation between knowledge level of nutrition and quality of dietary habits is estimated among male althletes and all questioned athletes. The recommendations are to improve conscionsness about the importance of well balanced diet for athletes, and to educate them as well as their coaches.