The present disclosure provides an electric compressor comprising a main housing, a motor part disposed in the main housing and comprising a stator comprising a rotor accommodating portion and a rotor rotatably disposed in the rotor accommodating portion, a compression part rotatably connected to the motor part, and an inverter part electrically connected to the motor part. The motor part is disposed in a motor room formed inside the main housing, the stator comprises a plurality of insulating protrusions protruding from an outer circumferential surface of the stator, and the plurality of insulating protrusions is configured to be brought into contact with an inner circumferential surface of the motor room.