To provide an ink composition for a decorative material which has durability such as excellent weather resistance and moist heat resistance in addition to excellent adhesion to a substrate, and to provide a decorative material manufacturing method.SOLUTION: The ink composition for a decorative material is used to constitute a pattern layer of a decorative material including a substrate, the pattern layer, and a surface protective layer in this order. The ink composition contains an acrylic polyol and a polyisocyanate. The acrylic polyol has a hydroxyl value of 10-120 mg KOH/g and a glass transition temperature of 30-70 degrees centigrade A cured film obtained by forming a film composed of the ink composition and curing it has a storage modulus at 140 degrees centigrade of 1.0x105-1.0x109 Pa.SELECTED DRAWING: None
