The present application provides an electric motor and a washing machine. The electric motor includes a first end cover, a second end cover, a fastener configured for connecting the first end cover and the second end cover, a stator assembly and a rotor assembly. The stator assembly and the rotor assembly are arranged in a chamber enclosed by the first end cover and the second end cover. The first end cover is provided with a first flange portion, the second end cover is provided with a second flange portion, and a support installation portion is provided between the first flange portion and the second flange portion. The fastener is used to fasten the first flange portion, the support installation portion and the second flange portion.