A support for image recording material, comprising a base paper and thermoplastic resin layers formed on both faces of the base paper, wherein: a formation index of the base paper is 60 or more; a surface of the base paper, at least on a side where an image recording layer is formed, has a center surface average roughness SRa of 0.70 μm or less when measured with a cut-off condition of within the range of 0.05 to 0.5 mm, and a center surface average roughness SRa of 0.80 μm or less when measured with a cut-off condition of within the range of 1 to 3 mm; and the thickness of the thermoplastic resin layer, at least on the side where the image recording layer is formed, is 35 to 60 μm.