A vehicular lamp comprising: a lens body including a front surface and a rear surface on the opposite side thereof; and a light source provided at the rear of the lens body and emitting light rays that are to enter the lens body through the rear surface and to be outputted through the front surface, wherein the front surface includes a plurality of first lens cuts (21,21A) and a plurality of second lens cuts (22,22A) configured to control a diffusion angle of light rays from the light source that are to be outputted through the front surface, wherein at least one first lens cut and at least one second lens cut include a first region (21A1, 22A1) and a second region (21A2, 22A2), wherein the lens body includes a reflection surface (20d1) that internally reflects at least a portion of light rays (RayA2) from the light source that have entered the lens body through the rear surface so as to be outputted through the second region (21A2, 22A2), wherein the first region (21A1, 22A1) is configured to control a diffusion angle of direct light rays (RayA1) from the light source that have entered the lens body through the rear surface to be outputted through the first region (21A1, 22A1), and wherein the second region (21A2, 22A2) is configured to control the diffusion angle of the reflected light rays (RayA2) from the reflection surface (20d1) which are to be outputted through the second region (21A2, 22A2), characterized in that the plurality of first lens cuts (21,21A) are configured to diffuse light rays from the light source, which are to be outputted through the first lens cuts (21,21A), by a first angle in a vertical direction and by a second angle in the horizontal direction, the plurality of second lens cuts (22,22A) are configured to diffuse the light rays from the light source, which are to be outputted through the second lens cuts (22,22A), by a third angle smaller than the first angle in the vertical direction and in the horizontal direction by a fourth angle larger than the second angle, and the first lens cuts (21,21A) and the second lens cuts (22,22A) are alternately arranged in a checkerboard pattern so that the same type lens cuts are not adjacent to each other. a lens body including a front surface and a rear surface on the opposite side thereof; and a light source provided at the rear of the lens body and emitting light rays that are to enter the lens body through the rear surface and to be outputted through the front surface, wherein the front surface includes a plurality of first lens cuts (21,21A) and a plurality of second lens cuts (22,22A) configured to control a diffusion angle of light rays from the light source that are to be outputted through the front surface, wherein at least one first lens cut and at least one second lens cut include a first region (21A1, 22A1) and a second region (21A2, 22A2), wherein the lens body includes a reflection surface (20d1) that internally reflects at least a portion of light rays (RayA2) from the light source that have entered the lens body through the rear surface so as to be outputted through the second region (21A2, 22A2), wherein the first region (21A1, 22A1) is configured to control a diffusion angle of direct light rays (RayA1) from the light source that have entered the lens body through the rear surface to be outputted through the first region (21A1, 22A1), and wherein the second region (21A2, 22A2) is configured to control the diffusion angle of the reflected light rays (RayA2) from the reflection surface (20d1) which are to be outputted through the second region (21A2, 22A2), characterized in that the plurality of first lens cuts (21,21A) are configured to diffuse light rays from the light source, which are to be outputted through the first lens cuts (21,21A), by a first angle in a vertical direction and by a second angle in the horizontal direction, the plurality of second lens cuts (22,22A) are configured to diffuse the light rays from the light source, which are to be outputted through the second lens cuts (22,22A), by a third angle smaller than the first angle in the vertical direction and in the horizontal direction by a fourth angle larger than the second angle, and the first lens cuts (21,21A) and the second lens cuts (22,22A) are alternately arranged in a checkerboard pattern so that the same type lens cuts are not adjacent to each other.