There is provided a wind noise reduction apparatus that has a simple structure to suppress vibration caused by an air current generated in the course of protection against the wind, while not reducing ambient sound. A wind noise reduction apparatus 1 includes a windshield portion 2 having a first surface 21 that is defined by four sides of a front end 23, a rear end 24, an upper end 25 and a lower end 26 and that is arranged to face an ear front surface and a second surface 22 that is arranged on an opposite side to the first surface; one or multiple support portions 3 stood upright from the first surface 21 of the windshield portion 2; and a catching portion 4 including an insertion hole or insertion opening 44 that is used to hold a chin strap B of a helmet and that is located between a front edge and a rear edge 33 of the support portion 3. The windshield portion 2 is supported by a three or more supporting point structure of the front end 23 of the windshield portion 2 and the support portion 3.