An aqueous coating material composition, includes: a polyolefin resin aqueous dispersion (A) containing a polypropylene (a1); a crosslinking agent (B) having a functional group that reacts with a carboxyl group; and a polyester resin aqueous dispersion (C) having a resin acid value of 3 mgKOHg to 100 mgKOH/g, and with respect to a total solid content of the polyolefin resin aqueous dispersion (A), a solid content of the crosslinking agent (B) is 0.1 mass % to 20 mass %, and a solid content of the polyester resin aqueous dispersion (C) is 0.5 mass % to 30 mass %.