Splendrillia aomoriensis is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
The shell grows to a length of 8 mm.
This species occurs in the demersal zone of the Pacific Ocean off Japan and the PhilippinesThis marine species occurs in the Northwest Pacific Ocean, off the coast of Japan (type locality: Kyûroku-shima and vicinity, northeast Honshu).