A saddle riding type vehicle having an engine supporting structure comprising: a vehicle body frame including frame bodies (80L, 80R) formed, as viewed from a side, by a head pipe, a pair of left and right main frames (14L, 14R) extending rearward from the head pipe, a pair of left and right pivot frames (15L, 15R) extending downward from rear portions of the main frames (14L, 14R), a down frame extending downward from the head pipe, and a pair of left and right lower frames (17L, 17R) extending rearward from a lower end of the down frame and connected to lower ends of the pair of left and right pivot frames (15L, 15R), the left and right pivot frames (15L, 15R) being coupled to each other by a cross member (22, 23); and an engine including a crankcase portion supporting a crankshaft and a cylinder portion extending upward from the crankcase portion; the engine being supported in a lower portion of the vehicle body frame by a front hanger (91, 92) provided to at least one of the down frame and the lower frames (17L, 17R) to support a front portion of the crankcase portion and a rear hanger provided to the pivot frames (15L, 15R) to support a rear portion of the crankcase portion, the front hanger (91, 92) and the rear hanger being high-rigidity hangers having high rigidity, and the engine being supported in the vehicle body frame by a low-rigidity hanger (94, 95, 96) provided between the high-rigidity hangers (91, 92, 15c) along the frame bodies (80L, 80R) of the vehicle body frame, the low-rigidity hanger (94, 95, 96) supports the engine in the vehicle body frame with lower rigidity than that of the high-rigidity hangers (91, 92, 15c), a first low-rigidity hanger is provided, the front hanger includes a front lower hanger provided to the lower frames (17L, 17R) to support a front lower portion of the crankcase portion, characterized in that the front hanger further includes a front upper hanger provided to the down frame to support a front upper portion of the crankcase portion, the high-rigidity hangers are formed by three pieces including the front upper hanger, the front lower hanger, and the rear hanger, and the first low-rigidity hanger is disposed above the front upper hanger on the down frame in a section between the front upper hanger and the rear hanger along the frame bodies (80L, 80R) as viewed from the side to support a front portion of the cylinder portion. a vehicle body frame including frame bodies (80L, 80R) formed, as viewed from a side, by a head pipe, a pair of left and right main frames (14L, 14R) extending rearward from the head pipe, a pair of left and right pivot frames (15L, 15R) extending downward from rear portions of the main frames (14L, 14R), a down frame extending downward from the head pipe, and a pair of left and right lower frames (17L, 17R) extending rearward from a lower end of the down frame and connected to lower ends of the pair of left and right pivot frames (15L, 15R), the left and right pivot frames (15L, 15R) being coupled to each other by a cross member (22, 23); and an engine including a crankcase portion supporting a crankshaft and a cylinder portion extending upward from the crankcase portion; the engine being supported in a lower portion of the vehicle body frame by a front hanger (91, 92) provided to at least one of the down frame and the lower frames (17L, 17R) to support a front portion of the crankcase portion and a rear hanger provided to the pivot frames (15L, 15R) to support a rear portion of the crankcase portion, the front hanger (91, 92) and the rear hanger being high-rigidity hangers having high rigidity, and the engine being supported in the vehicle body frame by a low-rigidity hanger (94, 95, 96) provided between the high-rigidity hangers (91, 92, 15c) along the frame bodies (80L, 80R) of the vehicle body frame, the low-rigidity hanger (94, 95, 96) supports the engine in the vehicle body frame with lower rigidity than that of the high-rigidity hangers (91, 92, 15c), a first low-rigidity hanger is provided, the front hanger includes a front lower hanger provided to the lower frames (17L, 17R) to support a front lower portion of the crankcase portion, characterized in that the front hanger further includes a front upper hanger provided to the down frame to support a front upper portion of the crankcase portion, the high-rigidity hangers are formed by three pieces including the front upper hanger, the front lower hanger, and the rear hanger, and the first low-rigidity hanger is disposed above the front upper hanger on the down frame in a section between the front upper hanger and the rear hanger along the frame bodies (80L, 80R) as viewed from the side to support a front portion of the cylinder portion.