Agaronia biraghii is a species of sea snail, a marine gastropod mollusk in the family Olividae, the olive shells.

[2] The holotype of the species measures around 6.1 centimeters (2.4 inches) in length.

[3] A. biraghii exhibits predatory behaviour.

[4] A. biraghii has been documented to appear along the Gulf of Guinea, including in the Komo River estuary of Gabon and on the coast of Pointe-Noire, Republic of Congo.

This Olividae-related article is a stub.