Margarella steineni is a species of sea snail, a marine gastropod mollusk in the family Calliostomatidae.

[1][2] The species was named after Karl von den Steinen, who accompanied the German Antarctic expedition (1901–1903).

The height of the shell attains 12.5 mm.

This marine species occurs off the South Georgia Islands at depths between 0 m and 26 m.

This Calliostomatidae-related article is a stub.