A shape inspection apparatus for a metallic body, comprising: a measurement apparatus configured to irradiate a metallic body with at least two illumination light beams, and measure reflected light of the two illumination light beams from the metallic body separately; and an arithmetic processing apparatus configured to calculate information used for shape inspection of the metallic body on the basis of measurement results of luminance values of the reflected light obtained by the measurement apparatus, wherein the measurement apparatus includes a first illumination light source and a second illumination light source, both being LEDs, configured to irradiate the metallic body with strip-shaped illumination light having mutually different peak wavelengths, and a color line sensor camera configured to measure reflected light of first illumination light emitted from the first illumination light source and reflected light of second illumination light emitted from the second illumination light source, separately, the first illumination light source and the second illumination light source are provided in a manner that an angle formed by a direction of regular reflection of an optical axis of the color line sensor camera at a surface of the metallic body and an optical axis of the first illumination light source is substantially equal to an angle formed by the regular reflection direction and an optical axis of the second illumination light source, a wavelength difference between a peak wavelength of the first illumination light and a peak wavelength of the second illumination light is equal to or more than 5 nm and equal to or less than 90 nm, and the arithmetic processing apparatus calculates an inclination of the surface of the metallic body as the information by using a difference between a luminance value of the reflected light of the first illumination light and a luminance value of the reflected light of the second illumination light, wherein a visible light source is used as the first illumination light source and the second illumination light source. a measurement apparatus configured to irradiate a metallic body with at least two illumination light beams, and measure reflected light of the two illumination light beams from the metallic body separately; and an arithmetic processing apparatus configured to calculate information used for shape inspection of the metallic body on the basis of measurement results of luminance values of the reflected light obtained by the measurement apparatus, wherein the measurement apparatus includes a first illumination light source and a second illumination light source, both being LEDs, configured to irradiate the metallic body with strip-shaped illumination light having mutually different peak wavelengths, and a color line sensor camera configured to measure reflected light of first illumination light emitted from the first illumination light source and reflected light of second illumination light emitted from the second illumination light source, separately, a first illumination light source and a second illumination light source, both being LEDs, configured to irradiate the metallic body with strip-shaped illumination light having mutually different peak wavelengths, and a color line sensor camera configured to measure reflected light of first illumination light emitted from the first illumination light source and reflected light of second illumination light emitted from the second illumination light source, separately, the first illumination light source and the second illumination light source are provided in a manner that an angle formed by a direction of regular reflection of an optical axis of the color line sensor camera at a surface of the metallic body and an optical axis of the first illumination light source is substantially equal to an angle formed by the regular reflection direction and an optical axis of the second illumination light source, a wavelength difference between a peak wavelength of the first illumination light and a peak wavelength of the second illumination light is equal to or more than 5 nm and equal to or less than 90 nm, and the arithmetic processing apparatus calculates an inclination of the surface of the metallic body as the information by using a difference between a luminance value of the reflected light of the first illumination light and a luminance value of the reflected light of the second illumination light,