Craspedocephalus borneensis, commonly known as the Bornean pit viper,[4] is a venomous pit viper species endemic to the island of Borneo.

Adults may attain 83 cm (33 in) in snout-vent length (SVL).

[1] The type locality given is "Sarawack" (= Sarawak, Borneo).

Even though the tail is prehensile, adults are usually on the forest floor.

[1] Whether this species of Craspedocephalus lays eggs or bears live young is as yet unknown.