A liquid ejecting head includes a passage-forming substrate provided with a pressure-generating chamber communicating with a nozzle orifice for ejecting a liquid and includes a piezoelectric element including a diaphragm disposed on the passage-forming substrate, a first electrode disposed on the diaphragm, a piezoelectric layer disposed on the first electrode, and second electrode disposed on the piezoelectric layer. The diaphragm includes a metal oxide layer of a metal oxide formed by a gas-phase method and a zirconium oxide layer of zirconium oxide formed by a liquid-phase method.