A radiation imaging apparatus includes an imaging unit and a handle unit detachably attached to the imaging unit. The imaging unit includes a digital radiation detector including a detection area, a housing incorporating the digital radiation detector, a power arranged on one side surface of the housing, and a display unit arranged on the one side surface and configured to indicate a state of the digital radiation detector. The handle unit includes a frame unit covering at least part of each of three side surfaces other than the one side surface of the housing and a grasping portion forming an opening between the handle unit and at least part of the one side surface, with the handle unit attached to the imaging unit.
