Conus betulinus, common name the betuline cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.

[2] These snails are predatory and venomous.

The color of the shell is yellow orange-brown, or white, with revolving series of spots, and short lines of chocolate upon narrow white bands.

The base of the shell is strongly grooved.

[3] This marine species occurs off Also off Indo-China, Indo-Malaysia, Philippines, New Caledonia, Solomon Islands and Queensland, Australia.