A patient is reported who had biliary tract obstruction secondary to infection of the common bile duct with Candida albicans, with the formation of a fungus ball. Treatment consisted of surgical removal of the fungus ball and drainage. Chemotherapy was not necessary. Ureteral obstruction through fungus ball formation, and even pulmonary fungus ball formation, has been attributed to candida, but this is the first case reported, to our knowledge, of bile duct obstruction.