A vehicular display device includes a surrounding information obtaining unit configured to obtain surrounding information indicating a surrounding situation of a host vehicle, and a display ECU configured to inform a driver of the presence of a warning object that needs to be recognized by the driver through displaying of an in-vehicle display unit when the warning object is detected based on the surrounding information. The in-vehicle display unit has a display screen in a region surrounded by a grip of a steering wheel in a planar positional relationship when the driver views the steering wheel. The display ECU is configured to display a host vehicle mark in a central position of the steering wheel in a right-left width direction and display a warning object mark indicating the warning object in a position corresponding to a direction of the warning object relative to the host vehicle on the display screen.