A vehicle lamp (10;110) having a front-rear direction, comprising a light source (40L, 40R) and a plate-shaped light guide (32;132;232;332;432;532;632), wherein the plate-shaped light guide (32;132;232;332;432;532;632) is configured to totally reflect light from the light source (40L, 40R) and incident on the plate-shaped light guide by a plurality of reflective elements (32sC, 32sL, 32sR; 132sC, 132sL, 132sR; 232sC, 232sL, 232sR; 332sC, 332sL, 332sR; 432sC, 432sL, 432sR; 532sC, 532sL, 532sR; 632sC, 632sL, 632sR) formed on a first plate surface (32a;132a;232a;332a;432a;532a;632a) of the plate-shaped light guide and then emit the light from a second plate surface (32b;132b;232b;332b;432b;532b;632b) of the plate-shaped light guide toward a front side of the lamp, characterized in that the plurality of reflective elements (32sC, 32sL, 32sR; 132sC, 132sL, 132sR; 232sC, 232sL, 232sR; 332sC, 332sL, 332sR; 432sC, 432sL, 432sR; 532sC, 532sL, 532sR; 632sC, 632sL, 632sR) are arranged in a state of being continuously arranged along a plurality of lines extending each in a required direction, the plurality of reflective elements being arranged in a plurality of adjacent rows on each of the lines so as to be adjacent to each other in a direction intersecting the required direction when viewed in a plane containing both the required direction and the direction intersecting the latter, the plurality of lines being arranged at an interval from each other in the direction intersecting the required direction when viewed in the plane containing both directions, the plate-shaped light guide (32;132;232;332;432;532;632) is configured to allow the light from the light source (40L, 40R) and incident on the plate-shaped light guide to reach a position of each of the lines from a first direction intersecting the required direction when viewed in the plane containing both the required direction and the first direction, and each of the reflective elements (32sC, 32sL, 32sR; 132sC, 132sL, 132sR; 232sC, 232sL, 232sR; 332sC, 332sL, 332sR; 432sC, 432sL, 432sR; 532sC, 532sL, 532sR; 632sC, 632sL, 632sR) has a substantially concave curved surface shape, and the plurality of adjacent rows of each line comprising a first row and a second adjacent row, the first row being the closest to the first direction among the plurality of adjacent rows, the reflective elements constituting the second row being formed at a deeper position from the first plate surface than the reflective elements constituting the first row. the plate-shaped light guide (32;132;232;332;432;532;632) is configured to totally reflect light from the light source (40L, 40R) and incident on the plate-shaped light guide by a plurality of reflective elements (32sC, 32sL, 32sR; 132sC, 132sL, 132sR; 232sC, 232sL, 232sR; 332sC, 332sL, 332sR; 432sC, 432sL, 432sR; 532sC, 532sL, 532sR; 632sC, 632sL, 632sR) formed on a first plate surface (32a;132a;232a;332a;432a;532a;632a) of the plate-shaped light guide and then emit the light from a second plate surface (32b;132b;232b;332b;432b;532b;632b) of the plate-shaped light guide toward a front side of the lamp, characterized in that the plurality of reflective elements (32sC, 32sL, 32sR; 132sC, 132sL, 132sR; 232sC, 232sL, 232sR; 332sC, 332sL, 332sR; 432sC, 432sL, 432sR; 532sC, 532sL, 532sR; 632sC, 632sL, 632sR) are arranged in a state of being continuously arranged along a plurality of lines extending each in a required direction, the plurality of reflective elements being arranged in a plurality of adjacent rows on each of the lines so as to be adjacent to each other in a direction intersecting the required direction when viewed in a plane containing both the required direction and the direction intersecting the latter, the plurality of lines being arranged at an interval from each other in the direction intersecting the required direction when viewed in the plane containing both directions, the plate-shaped light guide (32;132;232;332;432;532;632) is configured to allow the light from the light source (40L, 40R) and incident on the plate-shaped light guide to reach a position of each of the lines from a first direction intersecting the required direction when viewed in the plane containing both the required direction and the first direction, and each of the reflective elements (32sC, 32sL, 32sR; 132sC, 132sL, 132sR; 232sC, 232sL, 232sR; 332sC, 332sL, 332sR; 432sC, 432sL, 432sR; 532sC, 532sL, 532sR; 632sC, 632sL, 632sR) has a substantially concave curved surface shape, and the plurality of adjacent rows of each line comprising a first row and a second adjacent row, the first row being the closest to the first direction among the plurality of adjacent rows, the reflective elements constituting the second row being formed at a deeper position from the first plate surface than the reflective elements constituting the first row.