An electric vehicle that is able to effectively cool the inverter while incorporating the inverter in the swing arm, and enhance the strength of the swing arm. The electric vehicle includes a driving wheel, a hollow swing arm main body for supporting the driving wheel, and an inverter accommodated in the swing arm main body. The swing arm main body includes a plurality of arc-shaped heat radiation fins provided in a wall surface facing a side face of the driving wheel, the heat radiation fins being concentric with the driving wheel. The inverter is in contact with the back face of the wall surface.