A saddle riding vehicle comprising: a body frame having a head pipe and a main tube extending rearward from the head pipe; an engine disposed below the main tube; a down tube extending downward from the body frame and disposed in front of the engine; and a radiator disposed in front of the engine and on a side of the down tube, wherein an opening which opens rearward is formed in a fan shroud which covers a rear surface of the radiator, a radiator fan is disposed in the opening, and a front surface of the radiator fan is disposed such that an axis of the radiator fan is inclined toward an outside with respect to a direction in which a surface of a core of the radiator is directed so as to increase a gap with respect to the core from an outer side toward an inner side, wherein the fan shroud includes: a rear wall covering the rear surface of the core; and a peripheral wall for connecting an edge portion of the rear wall to the core, and the rear wall is disposed in an inclined manner with respect to the core such that the gap with respect to the core of the radiator is increased from the outside toward the inside along the front surface of the radiator fan, characterized in that the fan shroud is disposed on a lower portion of the core of the radiator disposed on the left side, the fan shroud includes: the rear wall which covers a lower portion of the core; and a guard member which is integrally formed on a center portion of the rear wall, the rear wall is fixed to the radiator through an L-shaped stay member, one end portion of the stay member is fastened to the rear wall by a screw, and the other end portion of the stay member is fixed to an outer plate portion and an inner plate portion which form side surfaces of the radiator, the rear wall is formed in a vertically elongated trapezoidal shape, the rear wall covers a lower portion of a rear surface of the core, a region where the rear surface is not covered by the rear wall is provided to an upper portion of the core which is disposed above the rear wall, in the region, traveling air can pass through the core without being interrupted by the rear wall so that cooling performance by traveling air during traveling of the vehicle is minimally interrupted. wherein an opening which opens rearward is formed in a fan shroud which covers a rear surface of the radiator, a radiator fan is disposed in the opening, and a front surface of the radiator fan is disposed such that an axis of the radiator fan is inclined toward an outside with respect to a direction in which a surface of a core of the radiator is directed so as to increase a gap with respect to the core from an outer side toward an inner side, wherein the fan shroud includes: a rear wall covering the rear surface of the core; and a peripheral wall for connecting an edge portion of the rear wall to the core, and the rear wall is disposed in an inclined manner with respect to the core such that the gap with respect to the core of the radiator is increased from the outside toward the inside along the front surface of the radiator fan, characterized in that the fan shroud is disposed on a lower portion of the core of the radiator disposed on the left side, the fan shroud includes: the rear wall which covers a lower portion of the core; and a guard member which is integrally formed on a center portion of the rear wall, the rear wall is fixed to the radiator through an L-shaped stay member, one end portion of the stay member is fastened to the rear wall by a screw, and the other end portion of the stay member is fixed to an outer plate portion and an inner plate portion which form side surfaces of the radiator, the rear wall is formed in a vertically elongated trapezoidal shape, the rear wall covers a lower portion of a rear surface of the core, a region where the rear surface is not covered by the rear wall is provided to an upper portion of the core which is disposed above the rear wall, in the region, traveling air can pass through the core without being interrupted by the rear wall so that cooling performance by traveling air during traveling of the vehicle is minimally interrupted.