A belt layer of a pneumatic tire includes an inner-side cross belt and an outer-side cross belt forming belt angles of mutually different signs with the tire circumferential direction with absolute values from 46° to 80°, inclusive; a circumferential reinforcing layer arranged between the inner-side cross belt and the outer-side cross belt and forming a belt angle of within ±5° with the tire circumferential direction; and a supplemental belt arranged inside of the inner-side cross belt in the radial direction of the tire and forming a belt angle with the tire circumferential direction with an absolute value from 10° to 45°, inclusive.