Door frame

A door frame (1) for a vehicle includes a lower frame (3) for guiding an up/down movement of a window glass (15), a main frame (4) connected to the lower frame for determining a top dead center of the window glass, and a bracket (5) for attaching a door mirror secured to the lower frame and the main frame. The bracket has a bottom portion (7, 5a) and a pair of opposing side wall portions (6, 5d) extended from both sides of the bottom portion, and each has a thickness thicker than that of the bottom portion.