The present invention provides a novel polycarbonate resin composition that provides a polycarbonate resin composition molded article having both excellent flame retardance and mechanical strength and excellent appearance. The present invention relates to a flame retardant polycarbonate resin composition that contains (A) a polycarbonate, (B) at least one flame retardant agent selected from the group consisting of a silicone flame retardant agent, a halogen flame retardant agent, and a phosphate ester flame retardant agent, (C) polytetrafluoroethylene, and (D) an elastomer, and is characterized in that the amount of the flame retardant agent (B) contained in the composition is 0.001 to 40% by mass, the amount of the polytetrafluoroethylene (C) contained therein is 0.1 to 1.0% by mass, and the amount of the elastomer (D) contained therein is 1.5% by mass or less.