A display control device is disposed in a vehicle in which a camera photographing a first captured image indicating an image on a rear right side of the vehicle and a display displaying the first captured image are mounted. The display control device includes an image acquiring unit acquiring the first captured image from the camera and a display control unit controlling the first captured image displayed on the display. The display control unit causes the display to display one of a narrow angle image indicating a part of the first captured image and a wide angle image indicating an image in a range wider than the narrow angle image in the first captured image and to display the first captured image such that a size of a first region in displaying the wide angle image is larger than a size of the first region displaying the narrow angle image.