Tropidophis bucculentus, also known commonly as the Navassa Island dwarf boa,[4] is a nonvenomous dwarf boa species endemic to Navassa Island in the Caribbean Sea.

[4] The type locality given for T. bucculentus is "Navassa Id.

"[2] Preserved museum specimens of T. bucculentus indicate that it varied in snout-to-vent length (SVL) from 30–60 cm (0.98–1.97 ft).

[3] T. bucculentus is possibly extinct.

[1] The species became a casualty of human interference and feral predators, such as rats, cats, dogs, and goats that were introduced during the large-scale mining period on this small island during the 1800s.