Provided is a glass fiber-reinforced resin molded article having well-balanced and excellent static and dynamic strength and fluidity. In the glass fiber-reinforced resin molded article, glass fiber included in the glass fiber-reinforced resin molded article includes a flat cross-sectional shape having a minor axis D1 in the range of 3.0 to 10.5 µm and a major axis D2 in the range of 11.0 to 29.0 µm, the number average fiber length L (µm) of the glass fiber included in the glass fiber-reinforced resin molded article is in the range of 150 to 475 µm, the glass fiber content C (wt%) in the glass fiber-reinforced resin molded article is in the range of 40.0 to 75.0 wt%, and the above D1, D2, L, and C satisfy the following formula (1): 260.0 ≤ C 2 × L / D 1 × D 2 2 ≤ 400.0