An image display apparatus includes: cameras each configured to take an image representing a view outside a vehicle; displays each configured to display the image taken by a corresponding one of the cameras; and a controller configured to control the cameras and the displays. The controller detects a first action that is a preliminary action taken by an occupant of the vehicle to get out of the vehicle in a state in which the cameras and the displays are not activated. When the first action is detected, the controller activates at least one of the cameras and at least one of the displays and control the at least one of the displays to display an image taken by the at least one of the cameras.