Conus amphiurgus, common name the amphiurgus cone, is a species of sea snail, a marine gastropod mollusc in the family Conidae, the cone snails and their allies.
These snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.
The maximum recorded shell length is 54 mm.
This species occurs in the tropical Western Atlantic, the Caribbean Sea and the Gulf of Mexico.
Minimum recorded depth is 9 m. Maximum recorded depth is 61 m.