Margarites vahlii, common name the Vahl margarite, is a species of sea snail, a marine gastropod mollusk in the family Margaritidae.

It has five well rounded whorls, including a minute subglobular nucleus.

The base of the shell is rounded with a narrow deep perforate umbilicus.

The body is covered with a thin coat of enamel.

[2] This marine species occurs off Greenland, Canada, in the Arctic Ocean north of Bering Strait, at depths between 4 m and 931 m.