Provided is a pneumatic tire that makes it possible to improve steering stability performance on dry road surfaces, steering stability performance on wet road surfaces, and braking performance on dry road surfaces by adjusting the chamfered shape of a sipe. Main grooves are positioned on both sides of a rib and said rib comprises sipes extending from one of the main grooves and sipes extending from the other main groove. One of the two ends of the sipes opens into the main grooves and the other of the two ends terminates within the rib. A set of two sipes extending from the main grooves on both sides of the rib has a leading edge and a trailing edge, and a chamfered section shorter than the total sipe length of the set of sipes is formed on each of the edges. A part facing the individual chamfered sections in the set of sipes has an unchamfered area in which no other chamfered sections are present. The maximum depth x (mm) of the sipes and the maximum depth y (mm) of the chamfered sections satisfy the relationship expressed by formula (1). The sipe width of the sipes is constant in a range from an end of the chamfered sections positioned on the inner side in the tire radial direction to the groove bottoms of the sipes.