A liquid ejecting apparatus includes: a plurality of flow channel units, each of which includes a pressure generating chamber operable to generate pressure therein and a nozzle plate formed with a nozzle from which liquid is ejected by the pressure; a plurality of drive units, each of which includes a piezoelectric vibrator operable to apply a pressure vibration to the pressure generating chamber, and which correspond to the plurality of the flow channel units, respectively; and a head casing, in which the plurality of the drive units are stored, and to which the plurality of the flow channel units are fixed.