A rearview monitor apparatus includes: a display provided on an instrument panel; and a housing formed to surround a periphery of the display, wherein the housing includes an upper surface arranged above the display, a side surface arranged at the outside in a vehicle width direction of the display, and a visor that extends in a vehicle rearward direction beyond the display from vehicle rearward positions of the upper surface and the side surface and that forms an opening part in a vehicle rearward direction, and a first recess part of which a depth gradually increases toward a vehicle frontward direction towards the inside in the vehicle width direction from an outer end in the vehicle width direction is formed on the upper surface side of the visor.