A radiographic imaging apparatus comprises: a leg unit that is capable of traveling on an apparatus-placement surface by a wheel unit； a body unit that is held on the leg unit； an arm unit that is connected to the body unit and is capable of protruding upward from the body unit； and a radiation source that is mounted on the arm unit, wherein the arm unit includes a body-side part that is capable of extending and retracting in a direction of the protruding of the arm unit and is connected to the body unit, and a radiation source-side part on which the radiation source is mounted, the radiation source-side part is connected to a distal end side of the body-side part so as to be revolvable in a direction where an angle between the radiation source-side part and the body-side part changes, and revolution regulating unit.
