An illumination apparatus (200, 500, 600, 700) for a vehicle, comprising: a light-emitting element; a first lens (201, 501, 601, 701) that is placed facing the light-emitting element and that has a radiation port (206, 506, 606) from which a light beam is emitted; and a second lens (211, 511, 611, 711) that is placed facing the radiation port (206, 506, 606), wherein the first lens (201, 501, 601, 701) further has a first incident surface (202, 702) that faces the light-emitting element and that guides a light beam from the light-emitting element to the radiation port (206, 506, 606), a second incident surface that guides a light beam not passing through the first incident surface to a direction toward the outer periphery of the first lens (201, 501, 601, 701), a first reflection surface that reflects a light beam from the second incident surface to guide the light beam to the radiation port (206, 506, 606), and a second reflection surface that reflects a light beam passing through the first incident surface and then deviating from a direction toward the radiation port (206, 506, 606), and a light beam reflected on the first reflection surface and then deviating from the direction toward the radiation portion, to guide these light beams to the radiation port (206, 506, 606), wherein the illumination apparatus (200, 500, 600, 700) is configured to produce a shape of an illuminance distribution similar to the shape of the radiation port of the first lens characterized in that the light-emitting element comprises multiple light-emitting elements, the first lens comprises multiple first lenses (201, 701) that face the respective multiple light-emitting elements, and that each have the radiation port, and the second lens comprises multiple second lenses (211, 711) that are placed facing the respective radiation ports of the multiple first lenses (201, 701), and in that a shift amount between positions of centers of the radiation ports of the multiple first lenses and corresponding central axes of the multiple second lenses vary with locations in the illumination apparatus. a light-emitting element; a first lens (201, 501, 601, 701) that is placed facing the light-emitting element and that has a radiation port (206, 506, 606) from which a light beam is emitted; and a second lens (211, 511, 611, 711) that is placed facing the radiation port (206, 506, 606), wherein the first lens (201, 501, 601, 701) further has a first incident surface (202, 702) that faces the light-emitting element and that guides a light beam from the light-emitting element to the radiation port (206, 506, 606), a second incident surface that guides a light beam not passing through the first incident surface to a direction toward the outer periphery of the first lens (201, 501, 601, 701), a first reflection surface that reflects a light beam from the second incident surface to guide the light beam to the radiation port (206, 506, 606), and a second reflection surface that reflects a light beam passing through the first incident surface and then deviating from a direction toward the radiation port (206, 506, 606), and a light beam reflected on the first reflection surface and then deviating from the direction toward the radiation portion, to guide these light beams to the radiation port (206, 506, 606), a first incident surface (202, 702) that faces the light-emitting element and that guides a light beam from the light-emitting element to the radiation port (206, 506, 606), a second incident surface that guides a light beam not passing through the first incident surface to a direction toward the outer periphery of the first lens (201, 501, 601, 701), a first reflection surface that reflects a light beam from the second incident surface to guide the light beam to the radiation port (206, 506, 606), and a second reflection surface that reflects a light beam passing through the first incident surface and then deviating from a direction toward the radiation port (206, 506, 606), and a light beam reflected on the first reflection surface and then deviating from the direction toward the radiation portion, to guide these light beams to the radiation port (206, 506, 606),