An electronic device and a battery pack housing structure capable of housing a battery pack without use of a contour width of the battery pack for positioning. The battery pack housing structure includes a battery-pack lower-surface protruding portion protruding from a lower surface of the battery pack and the housing portion including a housing-portion bottom-surface groove portion, which is formed in a bottom surface of the housing portion and capable of being fitted to the battery-pack lower-surface protruding portion.