Provided is an infrared-sensitive planographic printing plate precursor, including a supporting plate, a recording layer formed on one face of the supporting plate, the recording layer containing a water-insoluble and alkali-soluble resin and an infrared absorbent and forming an image by irradiation of infrared ray, and an organic polymer layer having an arithmetic mean roughness Ra in the range of 0.05 to 0.40 .mu.m, or an anodic oxide film having basis weight of 0.05 to 3.0 g/m.sup.2 and an organic polymer layer formed in that order on face of the supporting plate opposite to the recording layer.