A coated cutting tool comprising a substrate and a coating layer formed on the substrate, wherein: the coating layer comprises at least one composite compound layer of a compound having a composition represented by formula below: (Ti 1-x Mo x)N wherein x denotes an atomic ratio of the Mo element based on a total of the Ti element and the Mo element and satisfies 0.01 ≤ x ≤ 0.30; wherein an average thickness of the composite compound layer is from 1.0 μm or more to 8.0 μm or less; characterized in that the composite compound layer comprises cubic crystals of (Ti, Mo)N, and a ratio I /I between a peak intensity I for a plane of the cubic crystals and a peak intensity I for a plane of the cubic crystals in an X-ray diffraction analysis performed by means of a 2θ/θ focusing optical system with Cu-Kα under the measurement conditions described in the description satisfies a condition represented by formula below: 1.0 < I 200 / I 111 ≤ 20.0 and an area ratio of particles each having an aspect ratio of 2 or more is 50% or higher in particles which constitute the composite compound layer, wherein a particle is defined as an area surrounded by a crystal boundary, wherein crystal boundaries are identified as boundaries with a misorientation of 5° or more measured using electron backscatter diffraction of a cross-sectional structure of the coated cutting tool performed with a field emission scanning electron microscope using electron beam irradiation at an angle of incidence of 70°, an acceleration voltage of 15 kV, and an irradiation current of 0.5 nA, wherein the area ratio is measured by observing the cross-sectional structure of the coated cutting tool using the electron backscatter diffraction, and wherein the aspect ratio is obtained by dividing the longest axis of the particle by the shortest axis of the particle. the coating layer comprises at least one composite compound layer of a compound having a composition represented by formula below: (Ti 1-x Mo x)N wherein x denotes an atomic ratio of the Mo element based on a total of the Ti element and the Mo element and satisfies 0.01 ≤ x ≤ 0.30; wherein an average thickness of the composite compound layer is from 1.0 μm or more to 8.0 μm or less; characterized in that the composite compound layer comprises cubic crystals of (Ti, Mo)N, and a ratio I /I between a peak intensity I for a plane of the cubic crystals and a peak intensity I for a plane of the cubic crystals in an X-ray diffraction analysis performed by means of a 2θ/θ focusing optical system with Cu-Kα under the measurement conditions described in the description satisfies a condition represented by formula below: 1.0 < I 200 / I 111 ≤ 20.0 and an area ratio of particles each having an aspect ratio of 2 or more is 50% or higher in particles which constitute the composite compound layer, wherein a particle is defined as an area surrounded by a crystal boundary, wherein crystal boundaries are identified as boundaries with a misorientation of 5° or more measured using electron backscatter diffraction of a cross-sectional structure of the coated cutting tool performed with a field emission scanning electron microscope using electron beam irradiation at an angle of incidence of 70°, an acceleration voltage of 15 kV, and an irradiation current of 0.5 nA, wherein the area ratio is measured by observing the cross-sectional structure of the coated cutting tool using the electron backscatter diffraction, and wherein the aspect ratio is obtained by dividing the longest axis of the particle by the shortest axis of the particle.