A gas barrier film includes: a substrate layer containing a polypropylene resin; a resin layer containing a copolymer of propylene and another monomer; an anchor coat layer; and a vapor deposition layer of an inorganic oxide, laminated in this order, wherein the anchor coat layer contains (meth) acrylic resin, and the anchor coat layer has a thickness of 0.1 μm to 0.7 μm. A packaging material includes the above gas barrier film, and a sealant layer containing a polypropylene resin.