This study was undertaken to investigate the weight management practices among tertiary students in selected institutions in Sagnarigu Municipal of the Northern Region. A survey research design was used for the study. The target population comprised of students in some tertiary institutions of the Sagnarigu municipality. Two hundred and fifty (250) respondents from Tamale College of Education, Bagabaga College of Education and Tamale Technical University participated in this exercise and the sample size was calculated based on prevalence of obesity/overweight. A convenience sampling technique was used in order to meet sample size requirement within the stipulated data collection period. A total of 121 (48.4%) females and 129 (51.6%) of males were involved in the study. Questionnaire was the instrument for data collection. Data were analyzed using IBM SPSS version 20. The study found out that majority (55.6%) of the respondents perceived themselves to have a normal weight, Social media was one of the factors that influence student’s bodyweight perception. It was concluded that most of the students had no knowledge of their weight. Forty-seven percent (47%) of them were actually terrified about their current weight. The mean BMI was 23.9kg/m² indicating that the sample had normal weight. Almost half (49.2 %) wanted to maintain their weight to regulate their bodyweight. The recommendation was that school authorities should put appropriate measures in place to promote and increase physical activities in their various institutions.