To provide an electric water heater comprising a heater holder for holding a heater in a state that the heater can be inserted and removed, and capable of being easily manufactured at a comparatively low manufacturing cost with high reliability.

In constituting this electric water heater comprising a hot water storage tank 10, the heater 40 disposed in the hot water storage tank and heating the water in the hot water storage tank, and the heater holder 50 holding the heater in a state that the heater can be inserted and removed, and mounted on the hot water storage tank from an outer side of the hot water storage tank, the heater holder is divided into an inner holder 51 made of a corrosion-resisting material and an outer holder 55 made of a material of high strength, and the inner holder and the outer holder are integrated by a connecting tool 61 and detachably mounted on the hot water storage tank.