A plasma jet ignition plug is provided having high ignition performance and high durability. In the plasma jet ignition plug, at least a front end portion including a front end surface of a center electrode contains an oxide of at least one of rare earth elements in a total amount of 0.5% by mass to 10% by mass inclusive and W in an amount of 90% by mass or greater or contains Ir in an amount of 0.3% by mass to 3% by mass inclusive and W in an amount of 97% by mass or greater.
