To provide a front fender device for a motorcycle in which a front fender extending on front and rear sides of a front fork is mounted on the front fork in such a manner as to cover an upper side of the front wheel. The device is intended to increase the degree of freedom in design while minimizing an increase in weight and reducing vibration and noise from the front fender. Garnishes are mounted on each of right and left outer surfaces of a front fender at a plurality of positions spaced in the longitudinal direction of the front fender with elastic members inserted between the front fender and the garnishes.