Double gallbladder is an embryological abnormality of relative rarity (1:4,000 human autopsies). Double gallbladder is often discovered accidentally or by complications of gallstones and cholecystitis. Herein, we present an unusual case of double gallbladder in which the cystic duct arises from the common bile duct separately and successfully treated cholecystitis with laparoscopic cholecystectomy.