Mieniplotia is a genus of freshwater snails in the family Thiaridae. It is monotypic, the sole species being Mieniplotia scabra (O. F. Müller, 1774).
Mieniplotia scabra is coastal freshwater species that can also occur in brackish water. It occurs from the east coast of Africa to the south Pacific; it is considered invasive in parts of its range.
Mieniplotia scabra has a rather small, somewhat ovoid-conical shell measuring NaN1NaN1.