Borsonella omphale is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

[1] The slender shell is acute, with eight flattish whorls exclusive of the (lost) nucleus.

Its color is white covered by a very light olive gray periostracum.

The axial sculpture consists of incremental faint lines arcuate on the anal fasciole.

[2] This species occurs in the Pacific Ocean off Santa Barbara Island, California.