This study aims to assess the prevalence of bariatric surgeries and their associated complications in the Kingdom of Saudi Arabia. Methods and sample: This is an analytical cross-sectional study conducted on 1636 persons of the general population through an online questionnaire. The sample size was calculated using OpenEpi. Data was then entered and analyzed using Statistical Package for the Social Sciences (SPSS) version 17. Descriptive statistics were displayed as frequencies and percentages for categorical variables. Results: Our study found that only 271 (16.6%) out of 1636 had a personal history of bariatric surgery, while those with a family history were 1202 (73.5%). Sleeve gastrectomy was found to be the most common procedure (233 cases) (86%), followed by Stomach balloon surgery (15 cases) (5.5%) and Gastric bypass (13 cases) (4.8%). The most common complications noted were Vitamin Deficiency (32.1%) and the formation of gall stones (9.6%). Conclusion: Our data indicate the prevalence of bariatric surgeries in Saudi society and confirm the previously noted postoperative complications, especially nutritional deficiencies and gallstones.