The present invention provides a composite molded article in which aliphatic polyester-based resin expanded beads and a thermosetting resin cured product containing a reinforcing fiber, which is formed between the expanded beads, are integrally fixed, wherein the aliphatic polyester-based resin is a polylactic acid-based resin, and a flexural modulus E (MPa) of the composite molded article and a density ρ (kg/m3) of the composite molded article satisfy Expression (1): E1/3/ρ≥0.02 [(MPa)1/3(kg/m3)−1], and a composite molded article and a laminate having more improved strength.