To provide a method for manufacturing a molded article with a curved surface obtained by processing a natural wood veneer into a curved shape by using synthetic resins and injection molding, in which chances of cracks or breaks occurring on the curved surface can be reduced.

The method for manufacturing the molded article with the curved surface which is an molded article obtained by processing a natural wood veneer 11 into a curved shape by using synthetic resins and injection molding, includes: a natural wood flexible sheet producing step (S102) of impregnating the natural wood veneer 11 with only one kind of a synthetic resin 14 to produce a natural wood flexible sheet 10; and an injection step (S104) of processing the produced natural wood flexible sheet 10 into a curved shape by using a synthetic resin and injection molding to thereby manufacture the molded article 40 with the curved surface.