An electro-optical device includes a transmissive substrate, a lens surface, a transmissive lens layer, an optical path adjustment layer that adjusts an optical path length of light passing through the lens surface, a wiring layer that includes a transmissive light transmitting portion and a wiring portion including wiring and that is disposed in contact with the optical path adjustment layer on an opposite side of the optical path adjustment layer from the lens layer, a transmissive pixel electrode disposed on an opposite side of the wiring layer from the optical path adjustment layer and overlapping the light transmitting portion in plan view, a first mark disposed between the substrate and the optical path adjustment layer and being in contact with the substrate, and a second mark disposed between the optical path adjustment layer and the wiring layer and being in contact with the optical path adjustment layer.