Plestiodon barbouri, also known commonly as Barbour's blue-tailed skink and Barbour's eyelid skink, is a species of lizard in the family Scincidae.

The species is endemic to the Ryukyu Islands (Japan).

The specific name, barbouri, is in honor of American herpetologist Thomas Barbour.

[1][2] The preferred natural habitats of P. barbouri are forest and shrubland.

[1] The mode of reproduction of P. barbouri is unknown.