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Bariatric surgery is available to patients with severe obesity who have a low probability of successful weight loss with nonoperative measures, and who demonstrate motivation to continue medical treatment and lifestyle changes after surgery. In adults, criteria for bariatric surgery include those with a BMI > 40 or those with a BMI > 35 with comorbid diseases. As the risks of bariatric surgery in adolescents are not yet completely understood, adolescents are typically offered bariatric surgery primarily if they have comorbidities. Adolescents with severe comorbidities such as type 2 DM, moderate to severe sleep apnea, or pseudotumor may be considered surgical candidates with a BMI as low as 35. Adolescents with mild comorbidities and a BMI of 40 or greater are also potential candidates for weight loss surgery. While degree of obesity and weight‐related medical problems are the most basic determinants of potential candidacy, adolescent patients should undergo a thorough workup to rule out medically reversible causes of obesity or contraindications to surgery. The workup typically involves evaluation by a multidisciplinary team, including a pediatric/adolescent medical weight loss specialist, a bariatric surgeon (or pediatric surgeon with expertise in performing bariatric procedures), a dietician, a mental health professional with experience in evaluating bariatric patients, an exercise specialist, and others. In addition, most patients undergo an intensive medical weight management program throughout the evaluation period prior to proceeding to weight loss surgery.