A photocurable composition for three-dimensional modeling, comprising a polymerizable organic compound component, wherein: the polymerizable organic compound component contains a monofunctional (meth)acrylamide-based monomer, a polyfunctional (meth)acrylic acid ester monomer, and an urethane (meth)acrylate oligomer, wherein the content of the monofunctional (meth)acrylamide-based monomer is 30 to 70% by mass in 100% by mass of the polymerizable organic compound component, the content of the polyfunctional (meth)acrylic acid ester monomer is 20 to 60% by mass in 100% by mass of the polymerizable organic compound component, and the content of the urethane (meth)acrylate oligomer is 5 to 15% by mass in 100% by mass of the polymerizable organic compound component, the photocurable composition has a steady flow viscosity of 30,000 mPa · s or less measured with a rotary rheometer at 25°C and a shear rate of 0.01 per second, when the photocurable composition for three-dimensional modeling is irradiated with a light having a light intensity of 1.3 mW/cm 2 , G' becomes 1×10 6 Pa or more after a start of photopolymerization in an integrated light irradiation time of 4 seconds or less, after the start of photopolymerization, a maximum value of tan δ on and after a gel point is 0.5 or more, the gel point is a point where G'=G" is satisfied for the first time after the start of photopolymerization, G' is a storage shear modulus, G" is a loss shear modulus, and tan δ is a loss tangent, each of which is calculated based on measurement data for 30 seconds per one measurement, measured with a rotary rheometer having a pair of parallel plate with a diameter of 10 mm and a measurement gap of 0.1 mm at a strain of 0.5% or less, a frequency of 0.1 Hz, and 25°C. the polymerizable organic compound component contains a monofunctional (meth)acrylamide-based monomer, a polyfunctional (meth)acrylic acid ester monomer, and an urethane (meth)acrylate oligomer, wherein the content of the monofunctional (meth)acrylamide-based monomer is 30 to 70% by mass in 100% by mass of the polymerizable organic compound component, the content of the polyfunctional (meth)acrylic acid ester monomer is 20 to 60% by mass in 100% by mass of the polymerizable organic compound component, and the content of the urethane (meth)acrylate oligomer is 5 to 15% by mass in 100% by mass of the polymerizable organic compound component, the photocurable composition has a steady flow viscosity of 30,000 mPa · s or less measured with a rotary rheometer at 25°C and a shear rate of 0.01 per second, when the photocurable composition for three-dimensional modeling is irradiated with a light having a light intensity of 1.3 mW/cm 2 , G' becomes 1×10 6 Pa or more after a start of photopolymerization in an integrated light irradiation time of 4 seconds or less, after the start of photopolymerization, a maximum value of tan δ on and after a gel point is 0.5 or more, the gel point is a point where G'=G" is satisfied for the first time after the start of photopolymerization, G' is a storage shear modulus, G" is a loss shear modulus, and tan δ is a loss tangent, each of which is calculated based on measurement data for 30 seconds per one measurement, measured with a rotary rheometer having a pair of parallel plate with a diameter of 10 mm and a measurement gap of 0.1 mm at a strain of 0.5% or less, a frequency of 0.1 Hz, and 25°C. <EOS>