The giant cave gecko (Pseudothecadactylus lindneri), also known commonly as the northern giant cave gecko, is a species of lizard in the family Diplodactylidae. The species is endemic to Australia.
The specific name, lindneri, is in honor of Australian herpetologist .
Adults of P. lindneri usually have a snout-to-vent length (SVL) of about . The dorsal coloration is dark purplish brown, with lighter irregular crossbands. The crossbands are pale orange to cream-colored, and often do not meet neatly in the middle.
P. lindneri is found in Arnhem Land, Northern Territory, Australia.
The preferred natural habitat of P. lindneri is caves and crevices in sandstone escarpments.
P. lindneri is oviparous.