A cowl which covers a front component of a saddle-ridden type vehicle, includes: a cowl body; and passage forming portions each of which extends from a front, central, in a left-right direction, position of the cowl body or a vicinity of the front, central position to a side position of the cowl body; each of the passage forming portions forms an air passage that extends from the front, central position of the cowl body or a vicinity of the front, central position to the side position of the cowl body; the passage forming portions or each of the passage forming portions has an inlet as defined herein; each of the passage forming portions has an outlet as defined herein; and the air passages cause a riding wind occurring during running of the saddle-ridden type vehicle to flow through the air passages.