Kermia granosa is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.

[1] The length of the shell attains 6 mm.

The color of the shell is cinereous, with four or five revolving brown lines on the upper whorls and three near the base.

Tnterstices show small transverse ridges, which form nodules on the ribs.

[2] This marine species occurs widely in the Indo-West Pacific: off Taiwan; Tahiti; Samoa; Réunion; Queensland, Australia