Conus nobilis, common name the noble cone, is a species of sea snail. Like all species within the genus Conus, these snails are predatory and venomous. The color of the shell is yellowish brown or chestnut, with close revolving lines of numerous small chestnut spots. The whole surface is irregularly overlaid by triangular large white spots. This marine species is found in sublittoral and deeper waters of the Indo-Pacific from Sri Lanka, the Andaman Islands and Nicobar Islands along Sumatra and Java to Timor; along the Marquesas Islands.