A vehicle boarding environment controlling apparatus having a communicating element communicating with a communication device that detects a detection target object for personal authentication; a registration storing element for storing registration of setting status information denoting a predetermined boarding environment of a vehicle in association with each person to be authenticated; a door lock controlling element for unlocking doors of the vehicle when a person is authenticated; and a setting status controlling element which, if any person is authenticated, changes the boarding environment setting status of the vehicle in accordance with the setting status information associated with the authenticated person.