A headlamp for an automobile, the headlamp comprising: first and second modules (100, 200) configured to generate light and emit the light to the outside, the first and second modules (100, 200) being spaced apart from each other, wherein the first module includes a first light source unit having a plurality of light sources configured to generate light and provided in a horizontal direction, and the second module includes a second light source unit having a plurality of light sources configured to generate light and provided in the horizontal direction, wherein the light generated from the plurality of light sources provided in each of the first light source unit and the second light source unit is emitted to the outside to produce a plurality of beam patterns, wherein the plurality of beam patterns produced by all of the plurality of light sources provided in the first light source unit are arranged in the horizontal direction to produce a first beam pattern group, wherein the plurality of beam patterns produced by all of the plurality of light sources provided in the second light source unit are arranged in the horizontal direction to produce a second beam pattern group, and wherein at least a portion of the plurality of beam patterns constituting the second beam pattern group is produced in at least a portion of a region between the plurality of beam patterns constituting the first beam pattern group, characterized in that, a horizontal width of a beam pattern which is produced at one end portion in the horizontal direction among the plurality of beam patterns constituting the first beam pattern group is less than a horizontal width of a beam pattern which is produced at the other end portion in the horizontal direction among the plurality of beam patterns constituting the first beam pattern group. first and second modules (100, 200) configured to generate light and emit the light to the outside, the first and second modules (100, 200) being spaced apart from each other, wherein the first module includes a first light source unit having a plurality of light sources configured to generate light and provided in a horizontal direction, and the second module includes a second light source unit having a plurality of light sources configured to generate light and provided in the horizontal direction, wherein the light generated from the plurality of light sources provided in each of the first light source unit and the second light source unit is emitted to the outside to produce a plurality of beam patterns, wherein the plurality of beam patterns produced by all of the plurality of light sources provided in the first light source unit are arranged in the horizontal direction to produce a first beam pattern group, wherein the plurality of beam patterns produced by all of the plurality of light sources provided in the second light source unit are arranged in the horizontal direction to produce a second beam pattern group, and wherein at least a portion of the plurality of beam patterns constituting the second beam pattern group is produced in at least a portion of a region between the plurality of beam patterns constituting the first beam pattern group, characterized in that, a horizontal width of a beam pattern which is produced at one end portion in the horizontal direction among the plurality of beam patterns constituting the first beam pattern group is less than a horizontal width of a beam pattern which is produced at the other end portion in the horizontal direction among the plurality of beam patterns constituting the first beam pattern group.