Olivella miliola is a species of small sea snail, marine gastropod mollusk in the subfamily Olivellinae, in the family Olividae, the olives.

Species in the genus Olivella are commonly called dwarf olives.

Members of this order are predominantly gonochoric broadcast spawners.

Members grow from the embryonic stage to planktonic trochophore larvae to juvenile veligers before reaching their adult stage.

[3] O. miliola is a demersal sea snail and can be found in the tropical regions of the Western Atlantic.