A lithographic printing plate precursor capable of forming an image upon irradiation with an infrared laser comprising a support, a first layer containing as the main component an alkali-soluble resin and a second layer containing as the main component an alkali-soluble resin that is different from the alkali-soluble resin contained as the main component in the first layer in this order, and at least one of the first layer and the second layer contains a mixture comprising at least two kinds of infrared absorbing agents.