A pneumatic tire 1 according to the present invention has turbulence generating protrusions on a tire surface, each of the turbulence generating protrusions having a sharp edge part. In the pneumatic tire, the following relationships are satisfied: 0.015≦H/√R≦0.64; 1.0≦p/H≦50.0; 0.1≦H/e≦3.0; 1.0≦L/H≦50.0; and 1.0≦(p−w)/w≦100.0, where “R” is a tire radius, “H” is a protrusion maximum height, “p” is a protrusion circumferential-direction interval, “e” is a protrusion radial-direction interval, “L” is a protrusion radial-direction length, and “w” is a protrusion circumferential-direction length.