Kuroshiodaphne subula is a species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
The length of the shell attains 15 mm.
The shell is closely reticulated with longitudinal and revolving lines, with a flatly obtuse keel near the suture. The lip-sinus is distinct. The shell is yellowish white, painted with chestnut spots around the suture.
This marine species occurs off the Philippines and Taiwan