To provide a pneumatic tire with improved wet and dry performances.

The pneumatic tire 1 includes: circumferential main grooves 21, 22 extended in a tire circumferential direction; land parts 31-33 formed by the circumferential main grooves 21, 22; and a plurality of horizontal grooves 4 arranged in at least one of the land parts 32, 33, extending in the tire width direction and penetrating through the land part 32. Each of the horizontal grooves 4 has a raised bottom part 5 formed by partially raising the bottom of the groove. The number of the raised bottom parts 5 formed in the center region N_ce, the number of the raised bottom parts 5 formed in the inside region N_in, and the number of the raised bottom parts 5 formed in the outside region N_out have the following relationships: N_ce/(N_ce+N_in+N_out)≥0.2, N_in/(N_ce+N_in+N_out)≥0.1, and N_out/(N_ce+N_in+N_out)≥0.1.