Isolated injury to the extrahepatic biliary system after blunt trauma is rare, Complete transection of the common bile duct is also a rare entity. Here a case of a 45-year-old male admitted with the history of blunt trauma abdomen with features of peritonitis and jaundice, found to have complete transection of common bile duct and there was no other visceral injury is reported. Cases of isolated complete transection of common bile duct in blunt trauma abdomen are rarely reported in the literature.