Ceritoturris bittium is a species of sea snail, a marine gastropod mollusk in the family Horaiclavidae.
It was formerly included within the family Pseudomelatomidae.
The length of the shell attains 7 mm.
(Original description) The minute shell has a blunt protoconch. The second whorl shows a peripheral keel. The seven subsequent whorls are moderately rounded, axially and spirally sculptured whorls. The siphonal canal is almost obsolete.
This marine species occurs off Hawaii.