Alvania monserratensis is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.

[1] This and other Western American species were attributed to Alvinia Monterosato, 1884, following Keen (1971); nevertheless it is not proved to be more related to the Mediterranean type species Alvania weinkauffi Weinkauff, 1868 than to other Alvania s.l.

[1] The length of the shell varies between 1 mm and 2 mm.

This species occurs off the Monserate Island, Gulf of California; also off the Galapagos Islands

This Rissoidae-related article is a stub.