A driving assistance apparatus which is mounted in a vehicle includes an acquisition unit configured to acquire external information, a notification request generation unit configured to generate a notification request based on the external information, a switching unit configured to switch between an on state and an off state of a notification function according to an input from a vehicle occupant, a first information notification unit configured to display a first display for giving notification of the external information in a predetermined display area of a display device based on the notification request when the notification function is in the on state and the notification request is generated, and a second information notification unit configured to display a second display for giving notification of predetermined information different from the external information in the predetermined display area when the notification function is in the off state.