Conus cancellatus, common name the cancellate cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies. Like all species within the genus Conus, these snails are predatory and venomous. They are capable of stinging humans; live ones should be handled carefully or not at all.

Conus cancellatus capricorni Van Mol, Tursch & Kempf, 1967 Conus cancellatus finkli Petuch, 1987 (synonym: Conasprelloides cancellatus finkli (Petuch, 1987) )

Distribution This species occurs in the Caribbean Sea, the Gulf of Mexico and the Lesser Antilles.

Description The maximum recorded shell length is 80 mm. The pear-shaped shell is broad and angulated at the shoulder, contracted towards the base. The body whorl is closely sulcate throughout, the sulci striate. The intervening ridges are rounded. The spire carinate and concavely elevated. Its apex is acute and striate.