To provide a thermoplastic resin composition having improved antistatic properties, a reduced friction coefficient and improved wear and pollution resistance while retaining mechanical strength, moldability and thermal stability characteristic of thermoplastic resins and a molding thereof.

The composition consists of (a) a thermoplastic polycarbonate resin derived from (A) a polyorganosiloxane compound having hydroxyphenyl groups at both ends and (B) a bisphenol compound, blended with (b) carbon fibers of an average fiber diameter ≤200 nm, in a ratio of (b) of 0.1-30 pts. wt. to 100 pts. wt. of (a).