To provide a polyacetal resin composition capable of sufficiently decreasing the coloration degree in a molding, and capable of sufficiently improving the rigidity of the molding more.

A polyacetal resin composition contains a polyacetal resin (A), a cellulose (B), and a polyfunctional isocyanate compound (C), wherein the cellulose (B) is blended in the proportion of 1-50 pts.mass based on total 100 pts.mass of the polyacetal resin (A) and the cellulose (B), and the polyfunctional isocyanate compound (C) is blended in the proportion of more than 0 pts.mass and not more than 3.5 pts.mass.