Gyldenstolpe's worm skink (Isopachys gyldenstolpei), also known commonly as Gyldenstolpe's isopachys and Gyldenstolpe's snake skink, is a species of lizard in the family Scincidae.

The species is endemic to Thailand.

The specific name, gyldenstolpei, is in honor of Swedish ornithologist Nils Gyldenstolpe.

[1][2] The preferred natural habitat of I. gyldenstolpei is forest.

[1] The maximum total length (including tail) of I. gyldenstolpei is 300 mm (12 in).