Mioawateria malmii is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.
The shell attains a length of 6 mm (0.24 in).
M. malmii can be found in the Gulf of Mexico, ranging from the coast of Louisiana to Cuba, also off Guadeloupe and in the Northern Atlantic Ocean (Azores, Bay of Biscay).
