Obesity has been declared a global epidemic and linked to many nutritional related diseases in developing nations. This cross sectional study was carried out to assess the prevalence of obesity among students in Rivers State University. A total of 200 adult students were randomly selected during the study. A validated and pre-tested self-administered questionnaire was used to obtain information on socio-demographic characteristics and dietary practices. Anthropometric measurements of weight and height were taken. The body mass index (BMI) were calculated. Data was analyzed using frequencies, means and percentages. The result shows 2% underweight, 41% normal weight, 36% overweight and 21% obese. Overweight and obesity rate were high, low physical activity and alcohol consumption was high.