Elaeocyma melichroa is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.

[2] The shell of Elaeocyma melichroa is elongated and turriculate.

The shell features pronounced axial ribs and spiral striations.

The aperture is narrow, and the siphonal canal is slightly recurved.

This species occurs in the demersal zone of the Pacific Ocean off the Galapagos Islands.