A thermoplastic resin composition having a high flowability during the injection molding, which suppresses generation of burning, silver and the like in a molded article, is provided as an injection molding material.A thermoplastic resin composition containing at least a polycarbonate resin, a polyester resin, and a lubricant, wherein the lubricant contains a compound represented by the following General Formula (1) or (2) is provided. (In the General Formula (1), R1 has a structure represented by the following Chemical formula, and R2 is substituted or unsubstituted alkyl group, alkenyl group, alkynyl group, cycloalkyl group, cycloalkenyl group, or cycloalkynyl group that has 11 to 40 carbon atoms, and in the General Formula (2), each of R3 and R4 is independently a hydrogen atom, or substituted or unsubstituted alkyl group, alkenyl group, alkynyl group, cycloalkyl group, cycloalkenyl group, or cycloalkynyl group that has 1 to 40 carbon atoms, provided that a sum of the carbon atoms of R3 and R4 is 11 to 40.)