Conus crosnieri is a species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
The length of the shell attains 59.6 mm, its diameter 24.8 mm. The maximum length of the dredged species is 83.8 mm.
The holotype of this marine species has been found in the Mozambique Channel off the Comores and also off Madagascar and S KwaZulu-Natal, South Africa.
