An interlayer film for a laminated glass, having a large number of recesses (11, 12, 21) and a large number of projections on a first surface and a second surface opposite to the first surface, the recesses (11, 12, 21) on the first surface and the second surface each having a groove shape with a continuous bottom and being regularly adjacent and parallel to each other, the interlayer film for a laminated glass satisfying Formula: θ ≥ 10 ° characterized in that the interlayer film for laminated glass satisfies Formula: R / Sm ≤ 0.11 the θ representing an intersection angle of the recesses each having a groove shape with a continuous bottom on the first surface and the recesses each having a groove shape with a continuous bottom on the second surface, as measured in accordance with the method in the description, the Sm representing the average of Sm1 (μm) and Sm2 (μm), the Sm1 representing an interval between the recesses each having a groove shape with a continuous bottom on the first surface, the Sm2 representing an interval between the recesses each having a groove shape with a continuous bottom on the second surface, Sm1 and Sm2 being measured in accordance with the method in the description, the Sm representing the average of the Sm1 and Sm2 being 200 μm or less, the R representing the average of R1 (μm) and R2 (μm), the R1 representing the radius of rotation of the projections on the first surface, the R2 representing the radius of rotation of the projections on the second surface, R1 and R2 being measured in accordance with the method in the description, and in that the interlayer film for a laminated glass satisfies Formula: Rz ≥ 1 where Rz represents the average of Rz1 (μm) representing a roughness of tip portions of the projections on the first surface and Rz2 (μm) representing a roughness of tip portions of the projections on the second surface, Rz1 and Rz2 being measured the recesses (11, 12, 21) on the first surface and the second surface each having a groove shape with a continuous bottom and being regularly adjacent and parallel to each other, the interlayer film for a laminated glass satisfying Formula: θ ≥ 10 ° characterized in that the interlayer film for laminated glass satisfies Formula: R / Sm ≤ 0.11 the θ representing an intersection angle of the recesses each having a groove shape with a continuous bottom on the first surface and the recesses each having a groove shape with a continuous bottom on the second surface, as measured in accordance with the method in the description, the Sm representing the average of Sm1 (μm) and Sm2 (μm), the Sm1 representing an interval between the recesses each having a groove shape with a continuous bottom on the first surface, the Sm2 representing an interval between the recesses each having a groove shape with a continuous bottom on the second surface, Sm1 and Sm2 being measured in accordance with the method in the description, the Sm representing the average of the Sm1 and Sm2 being 200 μm or less, the R representing the average of R1 (μm) and R2 (μm), the R1 representing the radius of rotation of the projections on the first surface, the R2 representing the radius of rotation of the projections on the second surface, R1 and R2 being measured in accordance with the method in the description, and in that the interlayer film for a laminated glass satisfies Formula: Rz ≥ 1 where Rz represents the average of Rz1 (μm) representing a roughness of tip portions of the projections on the first surface and Rz2 (μm) representing a roughness of tip portions of the projections on the second surface, Rz1 and Rz2 being measured