A mudguard member for a saddled vehicle, the mudguard member covering above a vehicle wheel (WR), wherein the mudguard member is formed from fiber-reinforced resin, the mudguard member having a surface provided with a reinforcing rib made of resin, the surface facing toward the vehicle wheel (WR), wherein the mudguard member is formed in a shape elongated in a vehicle longitudinal direction; the mudguard member includes a vehicle attached portion that is arranged at one end in the vehicle longitudinal direction, and a length extension portion that extends from the vehicle attached portion to the other end; and the length extension portion has a top panel and side panels that extend obliquely downward from both vehicle-widthwise sides of the top panel , wherein the reinforcing rib includes longitudinal ribs that extend from the vehicle attached portion to a vehicle-longitudinal center of the length extension portion , the reinforcing rib further including transverse ribs that extend in a direction of a vehicle width; wherein the longitudinal ribs and the transverse ribs are coupled to each other; the longitudinal ribs include a pair of left and right first longitudinal ribs and a second longitudinal rib extending at the center in the vehicle-width direction and the transverse ribs include a first transverse rib on the vehicle rear side, a second transverse rib , a third transverse rib and a fourth transverse rib ; receiving portions , through which through holes are formed, are provided integrally with a pair of left and right fourth transverse rib outer sides , wherein the through holes communicate with through holes formed in a vertical surface of the mudguard member; a receiving portion , which is placed at the end of the second longitudinal rib , has a through hole , and the through hole communicates with a through hole of a bulge portion of the mudguard member; and the three receiving portions in all are connected through the longitudinal rib and the transverse rib. wherein the mudguard member is formed from fiber-reinforced resin, the mudguard member having a surface provided with a reinforcing rib made of resin, the surface facing toward the vehicle wheel (WR), wherein the mudguard member is formed in a shape elongated in a vehicle longitudinal direction; the mudguard member includes a vehicle attached portion that is arranged at one end in the vehicle longitudinal direction, and a length extension portion that extends from the vehicle attached portion to the other end; and the length extension portion has a top panel and side panels that extend obliquely downward from both vehicle-widthwise sides of the top panel , wherein the reinforcing rib includes longitudinal ribs that extend from the vehicle attached portion to a vehicle-longitudinal center of the length extension portion , the reinforcing rib further including transverse ribs that extend in a direction of a vehicle width; wherein the longitudinal ribs and the transverse ribs are coupled to each other; the longitudinal ribs include a pair of left and right first longitudinal ribs and a second longitudinal rib extending at the center in the vehicle-width direction and the transverse ribs include a first transverse rib on the vehicle rear side, a second transverse rib , a third transverse rib and a fourth transverse rib ; receiving portions , through which through holes are formed, are provided integrally with a pair of left and right fourth transverse rib outer sides , wherein the through holes communicate with through holes formed in a vertical surface of the mudguard member; a receiving portion , which is placed at the end of the second longitudinal rib , has a through hole , and the through hole communicates with a through hole of a bulge portion of the mudguard member; and the three receiving portions in all are connected through the longitudinal rib and the transverse rib. <EOS>