Mioawateria malmii is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

[1] The shell attains a length of 6 mm (0.24 in).

[2] M. malmii can be found in the Gulf of Mexico, ranging from the coast of Louisiana to Cuba,[3] also off Guadeloupe and in the Northern Atlantic Ocean (Azores, Bay of Biscay).