Provided is a polyolefin resin composition having sufficient durability and wiping resistance, and excellent antistatic properties, without impairment of the inherent mechanical properties of the resin, and an automotive interior/exterior material containing the same. A polyolefin resin composition containing 50-90 parts by mass of a polyolefin resin, 3-40 parts by mass of a thermoplastic elastomer, and 3-30 parts by mass of a filler, and further containing 3-20 parts by mass of an antistatic agent comprising a polymer compound (E) with respect to the total 100 parts by mass of the polyolefin resin, the thermoplastic elastomer, and the filler, wherein the polymer compound (E) has a structure in which a diol, an aliphatic dicarboxylic acid, an aromatic dicarboxylic acid, a compound (B) having at least one group represented by general formula (1) and hydroxy groups at both terminal ends thereof, and an epoxy compound (D) having two or more epoxy groups that are linked together by ester bonds.