Alvania salebrosa is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
The length of the shell attains 2.6 mm, its diameter 1.6 mm.
The thick, somewhat shining, brownish shell is depressed conical. It shows 10-12 strong, close, rounded ribs, subnodose at the suture, and on the angulated periphery of the body whorl. The shell contains 5ý flattened whorls that are rapidly increasing.
This marine species occurs off Sydney, Australia.