A driver knee bolster may include a first bracket arranged on a cowl crossbar, wherein an upper portion may be fixed to the cowl crossbar, a second bracket disposed in front of the first bracket, wherein a lower portion of the second bracket may be coupled to a lower portion of the first bracket, and an upper portion of the second bracket may be spaced apart from the upper portion of the first bracket to form a space therebetween, and a buffering member arranged in the space formed between the first and second brackets.