Bariatric surgery is an effective long-term treatment for patients who suffer from morbid obesity, the incidence of which is increasing in North America. Laparoscopic gastric bypass and laparoscopic adjustable gastric band placement are the two commonly performed bariatric procedures. This article discusses the indications for bariatric surgery and the early and late complications associated with these two procedures. Laparoscopic biliopancreatic diversion and laparoscopic sleeve gastrectomy are also briefly discussed.