A recording-head driving device for driving a recording head including a plurality of actuator sections each provided for recording on a recording medium, the recording-head driving device including: a wiring board elongated in a longitudinal direction to be connected, at a connected portion near to one of longitudinally opposite ends thereof, to the plurality of actuator sections of the recording head; two drive-circuit units mounted on respective portions of the wiring board such that the connected portion of the wiring board is interposed between the mount portions, in the longitudinal direction, and wherein the wiring board includes: (a) a plurality of wires a part of which connects one of the two drive-circuit units and a part of the plurality of actuator sections, and the rest of which connects the other of the two drive-circuit units and the rest of the plurality of actuator sections; and (b) a plurality of input terminals electrically connected to the two drive-circuit units and provided on the other of the longitudinally opposite ends of the wiring board.