There is provided an electronic device including: a supporting body; a movable body provided in a movable manner with respect to the supporting body; and a locking mechanism configured to lock the movable body to the supporting body. The locking mechanism includes a locking member provided on the supporting body and configured to lock the movable body, a manipulating member connected to the locking member and provided such that the manipulating member is able to be moved between a locking position at which the movable body is locked by the locking member and a releasing position at which the locking of the movable body by the locking member is released, and a holding member configured to hold the manipulating member at the locking position or at the releasing position in accordance with a position of the movable body with respect to the supporting body.