Olla v-nigrum is a species in the family Coccinellidae ("lady beetles"), in the suborder Polyphaga. The species is known generally as the ashy gray lady beetle. The distribution range of Olla v-nigrum includes Central America, North America, and Oceania. It is usually gray or pale tan with small black spots on its elytra and thorax. However, a variation can resemble Chilocorus orbus, another species of lady beetle. This form is black with two red spots on the wing covers and has white on the edge of the prothorax.

The V in its name (v-nigrum) comes from the fact that Mulsant originally described the "prothorax" (pronotum) as "adorned with a V and four black dots".

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