A vehicle luminaire comprising: a socket; and a light-emitting module that is provided on one end side of the socket, and includes only three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) when viewing the vehicle luminaire from a direction along a central axis, light-emitting surfaces (22a, 25a, 26a, 125a) of the three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) have an approximately rectangular shape or an approximately square shape, and at the inside of an approximately rectangular luminous region with the central axis set as the center, the three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) are provided in parallel in a row in a direction in which is perpendicular to the short sides of the luminous region, this direction being horizontal when the vehicle luminaire is mounted to the vehicle, characterized in that, the three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) are one first-light emitting element (25, 27b) and two second light-emitting elements (22, 26, 27a, 27c, 27d, 125), wherein, when viewing the vehicle luminaire from a direction along the central axis, a light-emitting surface of the one first light-emitting element (25, 27b) has an approximately square shape, and light-emitting surfaces (22a, 26a, 125a) of the two second light-emitting elements (22, 26, 27a, 27c, 27d, 125) have an approximately square shape or an approximately rectangular shape (22a, 125a); and at the inside of the luminous region, the first light-emitting element (25, 27b) is provided in parallel between the second light-emitting elements (22, 26, 27a, 27c, 27d, 125), and in the case that the two second light-emitting elements (22, 27a, 27d, 125) have light-emitting surfaces (22a, 125a) featuring a rectangular shape, the long sides of the light-emitting surfaces (22a, 125a) are aligned in parallel in a direction which is perpendicular to the short sides of the luminous region; and the light-emitting surface of the one first light-emitting element (25, 27b) is larger than each of the light-emitting surfaces (22a, 26a, 125a) of the two second light-emitting elements (22, 26, 27a, 27c, 27d, 125). a socket; and a light-emitting module that is provided on one end side of the socket, and includes only three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) when viewing the vehicle luminaire from a direction along a central axis, light-emitting surfaces (22a, 25a, 26a, 125a) of the three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) have an approximately rectangular shape or an approximately square shape, and at the inside of an approximately rectangular luminous region with the central axis set as the center, the three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) are provided in parallel in a row in a direction in which is perpendicular to the short sides of the luminous region, this direction being horizontal when the vehicle luminaire is mounted to the vehicle, characterized in that, the three light-emitting elements (22, 25, 26, 27a, 27b, 27c, 27d, 125) are one first-light emitting element (25, 27b) and two second light-emitting elements (22, 26, 27a, 27c, 27d, 125), wherein, when viewing the vehicle luminaire from a direction along the central axis, a light-emitting surface of the one first light-emitting element (25, 27b) has an approximately square shape, and light-emitting surfaces (22a, 26a, 125a) of the two second light-emitting elements (22, 26, 27a, 27c, 27d, 125) have an approximately square shape or an approximately rectangular shape (22a, 125a); and at the inside of the luminous region, the first light-emitting element (25, 27b) is provided in parallel between the second light-emitting elements (22, 26, 27a, 27c, 27d, 125), and in the case that the two second light-emitting elements (22, 27a, 27d, 125) have light-emitting surfaces (22a, 125a) featuring a rectangular shape, the long sides of the light-emitting surfaces (22a, 125a) are aligned in parallel in a direction which is perpendicular to the short sides of the luminous region; and the light-emitting surface of the one first light-emitting element (25, 27b) is larger than each of the light-emitting surfaces (22a, 26a, 125a) of the two second light-emitting elements (22, 26, 27a, 27c, 27d, 125).