© 2021 American College of Nutrition.Objective: This cross-sectional study aimed to demonstrate the relationship between dairy consumption and abdominal obesity in adolescents. Method: In total, 700 adolescents participated in this cross-sectional study. Sociodemographic characteristics, consumption of dairy, body mass index (BMI), waist circumference (WC), and waist/height (W/H) ratio were evaluated. The participants were divided into two groups as to whether their dairy consumptions were below or above 3 portions/d, according to the Turkey Dietary Guideline recommendations. Results: The mean age of participants was 15.84 ± 1.23 years. The rate of girls (65.2%) who participated in this study was significantly higher than that of the boys (34.8%; p < 0.001). No statistically significant difference was found between the participants whose dairy consumption was below and above the specified limits in terms of BMI, WC, or W/H measurements. Energy intake (p < 0.05) and milk and cheese consumption (p < 0.001) were higher in boys than in girls. There was a significant negative correlation between dairy consumption and WC (r = −0.121), W/H ratio (r = −0.105), and BMI (r = −0.103) in girls (p < 0.05). It was found that a 1-unit increase in milk consumption can cause a 1.98-, 0.11-, and 0.552-fold decrease in WC, W/H ratio, and BMI in girls, respectively (p < 0.05; 95% confidence interval [−3.502, −0.471], [−0.020, −0.001], [−1.042, −0.062], respectively). Conclusions: Inadequate milk consumption was related to increasing WC and WC may be one of the factors of abdominal obesity in girls. Therefore, it is of importance to raise awareness about milk and dairy consumption in adolescents.