Provided is a semiconductor package which may include a package substrate which includes a power supply region and an interconnection region around the power supply region, a plurality of ground terminals and a plurality of power terminals, which are disposed in the power supply region with a dielectric interposed between the ground terminals and the power terminals, wherein the ground terminals and the power terminals extend from a top surface of the package substrate to a bottom surface of the package substrate, and at least one semiconductor chip mounted on the package substrate, the semiconductor chip includes a plurality of ground pads which are commonly connected to a ground terminal of the ground terminals and a plurality of power pads which are commonly connected to a power terminal of the power terminals.