An electric compressor (201) includes: a compressor (203) configured to compress a refrigerant, the compressor (203) having a plurality of passage ports (207) delivering the refrigerant; an electric motor (205) configured to drive the compressor (203), the electric motor (205) having a plurality of stators (17) and an accommodation chamber (213) accommodating the plurality of stators (17); a partition wall (215) separating the compressor (203) and the an accommodation chamber (213) of the electric motor (205); and a plurality of refrigerant introducing/discharging passages (219) formed at the partition wall (215) wherein the respective refrigerant introducing/discharging passages (219) are located in a circumferential direction of the accommodation chamber (213), thereby the refrigerant being introduced into and discharged from stators (17) end in the electric motor (205) through the respective refrigerant introducing/discharging passages (219).