Disclosed is a radiation imaging device with excellent user-friendliness even in a comparatively large device configuration. A radiation imaging device includes radiation detectors and a housing. The radiation imaging device includes a plurality of radiation detectors, each of which has a detection surface for detecting a radiation image. The housing includes a top plate, and a frame body which is a sidewall provided at the edge of the top plate, a recess portion being provided in the frame body, and accommodates a plurality of radiation detectors in a state where the detection surfaces are aligned in a direction along the surface of the top plate.
