Trochomorpha melvillensis is a species of land snail in the family Trochomorphidae.

It is endemic to Australia, where it is known only from Melville Island off the coast of the Northern Territory.

[2] This snail is about 1 to 1.2 centimeters wide.

It has a sharp keel along the curve of its shell and a red band along the coil.

It lives under logs in coastal rainforest habitat.