A dental photocurable composition comprising: a polymerizable monomer; a spherical filler having an average particle size in a range of 230 nm to 1,000 nm measured according to the description; and a polymerization initiator, wherein an abundance proportion of the individual particles constituting the spherical filler which are present in a range of 5% greater or less than the average particle size is 90% or more, measured according to the description, the polymerizable monomer and the spherical filler satisfy condition represented by the following Formula: nP < nF where nP represents the refractive index at 25°C of a polymer obtainable by polymerizing the polymerizable monomer; and nF represents the refractive index at 25°C of the spherical filler, the polymerization initiator includes a photosensitizing compound, a tertiary amine compound, and a photoacid generator, the photoacid generator being a salt of one type of cation selected from the group consisting of diphenyliodonium, bis(p-chlorophenyl)iodonium, ditolyliodonium, bis(p-methoxyphenyl)iodonium, bis(p-tert-butylphenyl)iodonium, p-isopropylphenyl-p-methylphenyliodonium, bis(m-nitrophenyl)iodonium, p-tert-butylphenylphenyliodonium, p-methoxyphenylphenyliodonium, p-octyloxyphenyphenyliodonium, and p-phenoxyphenylphenyliodonium and one type of anion selected from the group consisting of nitrate, acetate, chloroacetate, carboxylate, and phenolate; or diphenyliodonium 2-carboxylate monohydrate, the photocurable composition includes a plurality of (meth)acrylic compounds as the polymerizable monomer, and the refractive index at 25°C of the polymerizable monomer is in a range of 1.38 to 1.55 as measured according to the description, the spherical filler is spherical silica-titanium group oxide-based composite oxide particles, and the refractive index thereof at 25°C is in a range of 1.45 to 1.58 as measured according to the description, the dental photocurable composition comprises a composite filler of an organic resin matrix and the spherical filler, and the relation between the refractive index nD at 25°C of the organic resin matrix and the refractive index nF at 25°C of the spherical filler satisfies a condition represented by the following Formula: nD < nF and the organic resin matrix is a homopolymer or copolymer of a (meth)acrylic compound and the refractive index thereof at 25°C is in a range of 1.40 to 1.57. wherein an abundance proportion of the individual particles constituting the spherical filler which are present in a range of 5% greater or less than the average particle size is 90% or more, measured according to the description, the polymerizable monomer and the spherical filler satisfy condition represented by the following Formula: nP < nF where nP represents the refractive index at 25°C of a polymer obtainable by polymerizing the polymerizable monomer; and nF represents the refractive index at 25°C of the spherical filler, the polymerization initiator includes a photosensitizing compound, a tertiary amine compound, and a photoacid generator, the photoacid generator being a salt of one type of cation selected from the group consisting of diphenyliodonium, bis(p-chlorophenyl)iodonium, ditolyliodonium, bis(p-methoxyphenyl)iodonium, bis(p-tert-butylphenyl)iodonium, p-isopropylphenyl-p-methylphenyliodonium, bis(m-nitrophenyl)iodonium, p-tert-butylphenylphenyliodonium, p-methoxyphenylphenyliodonium, p-octyloxyphenyphenyliodonium, and p-phenoxyphenylphenyliodonium and one type of anion selected from the group consisting of nitrate, acetate, chloroacetate, carboxylate, and phenolate; or diphenyliodonium 2-carboxylate monohydrate, the photocurable composition includes a plurality of (meth)acrylic compounds as the polymerizable monomer, and the refractive index at 25°C of the polymerizable monomer is in a range of 1.38 to 1.55 as measured according to the description, the spherical filler is spherical silica-titanium group oxide-based composite oxide particles, and the refractive index thereof at 25°C is in a range of 1.45 to 1.58 as measured according to the description, the dental photocurable composition comprises a composite filler of an organic resin matrix and the spherical filler, and the relation between the refractive index nD at 25°C of the organic resin matrix and the refractive index nF at 25°C of the spherical filler satisfies a condition represented by the following Formula: nD < nF and the organic resin matrix is a homopolymer or copolymer of a (meth)acrylic compound and the refractive index thereof at 25°C is in a range of 1.40 to 1.57.