A pneumatic tire includes: one fastener among a pair of mechanical fasteners that are separated into two in a region of a range from a bead tip to the maximum width position of a tire at a tire inner surface; and an electronic circuit device with another fastener that is to be engaged with the one fastener, the electronic circuit device being secured to the tire inner surface by fitting the two fasteners. In the pneumatic tire with such a configuration, even in the case where the electronic circuit device is mounted on the tire inner surface and liquid such as puncture repair liquid is injected in the tire at puncture, there is no possibility of damaging the electronic circuit device due to adhesion of the liquid to the electronic circuit device such as an air pressure sensor.