A scroll compressor includes a fixed scroll, an orbiting scroll structuring an operation chamber for a fluid with the fixed scroll and compressing the fluid in the operation chamber by orbiting relative to the fixed scroll, a shaft having an eccentric portion connected to the orbiting scroll and receiving a driving force to rotate, a housing accommodating the orbiting scroll, the housing integrally provided with the fixed scroll, a tooth integrally formed at the orbiting scroll and extending in a radial direction of the orbiting scroll and an engaging portion integrally formed in the housing, the engaging portion facing the tooth in the radial direction of the orbiting scroll and engaging with the tooth in a circumferential direction of the orbiting scroll.